Penny Warner (Over 1,100 results)

- Hardcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 2.73
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Condition: Good. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc. Alexander, Ashley (illustrator).

- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 2.73
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Paperback. Condition: Good.

- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Very good
£ 2.73
Free ShippingShips within U.S.A.Quantity: 1 available
Condition: Very Good. Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.

Language: English
Published by Egmont USA, 2013
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 3.15
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Paperback. Condition: Good. An infamous prison may hold a secret only the Code Busters can uncover. Cody, Quinn, Luke, and M.E. may all have different talents, but they share one thing in common: they love playing around with codes. In fact, they love codes so much, they have their own club, with a secret hideout and passwords that change every day. When Cody and her friends get a mysterious e-mail hinting at a treasure on Alcatraz Island, they can't wait to get started on their clue hunt. Luckily, a class trip to the prison is the perfect cover to start their search. During the tour, the club members learn that a jewel thief kept at Alcatraz may have hidden his biggest haul on the island and left a series of coded messages to find it. And solving puzzles is what the Code Busters do best! This interactive mystery features more than fifteen codes and puzzles for you to decipher along with the Code Busters, including Morse code, the tap code, LEET, and zigzag code. Answers are in the back, if you ever get stuck.…

Language: English
Published by Darby Creek ?, 2013
- Softcover
Seller: Gulf Coast Books, Cypress, TX, U.S.A.Gulf Coast Books
Contact seller5-star sellerCondition: Used - Good
£ 3.16
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Paperback. Condition: Good.

- Softcover
Seller: Your Online Bookstore, Houston, TX, U.S.A.Your Online Bookstore
Contact seller5-star sellerCondition: Used - Good
£ 3.16
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paperback. Condition: Good.

- Softcover
Seller: Orion Tech, Kingwood, TX, U.S.A.Orion Tech
Contact seller5-star sellerCondition: Used - Good
£ 3.16
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Good.

- Softcover
Seller: Gulf Coast Books, Cypress, TX, U.S.A.Gulf Coast Books
Contact seller5-star sellerCondition: Used - Good
£ 3.16
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Good.

- Softcover
Seller: 3Brothers Bookstore, Egg harbor township, NJ, U.S.A.3Brothers Bookstore
Contact seller5-star sellerCondition: Used - Good
£ 3.41
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Condition: good. Books may contain some notes and highlighting. Supplements such as Access Codes, Cd's Dust Jackets, etc. are not guaranteed with used book purchases.

Language: English
Published by Darby Creek ?, 2016
- Softcover
Seller: Gulf Coast Books, Cypress, TX, U.S.A.Gulf Coast Books
Contact seller5-star sellerCondition: Used - Very good
£ 3.41
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Very Good.

Language: English
Published by Darby Creek ?, 2018
- Softcover
Seller: Orion Tech, Kingwood, TX, U.S.A.Orion Tech
Contact seller5-star sellerCondition: Used - Good
£ 3.41
Free ShippingShips within U.S.A.Quantity: 1 available
paperback. Condition: Good.

Language: English
Published by Lerner Publishing Group, 2018
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Very good
£ 3.42
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Paperback. Condition: Very Good. The Code Busters are excited for their class field trip to Angel Island, known as the Ellis Island of the West. One of Mika's ancestors passed through the island's immigration station in the early twentieth century, and Mika thinks he may have left behind some secret messages . . . plus a very special box. But as the Code Busters search for hints from the past, they get caught up in an even bigger secret. Can you crack the code? Test your brain with the Code Busters to see if you have the right stuff to be an ace detective. Answers are in the back, in case you get stuck.…

Language: English
Published by Lerner Publishing Group, 2016
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 3.42
Free ShippingShips within U.S.A.Quantity: 2 available
Paperback. Condition: Good. Egyptian secrets take center stage in this interactive mystery where boys and girls can solve codes and puzzles right along with the multicultural cast of characters. Cody, Quinn, Luke, and M.E. love playing around with codes. In fact, they love codes so much they have their own club, with a secret hideout and passwords that change every day. After learning about steganography, the study of concealed writing, the Code Busters discover that artists have been hiding secret messages in their artwork for centuries. A clue hunt on a class trip to the Rosicrucian Egyptian Museum leads the Code Busters to an artifact that doesn't seem to quite fit with the rest of the collection. Could it be a forgery? The Code Busters' code-cracking skills and new knowledge of hieroglyphic messages will help them get to the bottom of this mystery, but they better think fast before the criminal tries to frame them.…

Language: English
Published by Lerner Publishing Group, 2016
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Very good
£ 3.42
Free ShippingShips within U.S.A.Quantity: 3 available
Paperback. Condition: Very Good. Egyptian secrets take center stage in this interactive mystery where boys and girls can solve codes and puzzles right along with the multicultural cast of characters. Cody, Quinn, Luke, and M.E. love playing around with codes. In fact, they love codes so much they have their own club, with a secret hideout and passwords that change every day. After learning about steganography, the study of concealed writing, the Code Busters discover that artists have been hiding secret messages in their artwork for centuries. A clue hunt on a class trip to the Rosicrucian Egyptian Museum leads the Code Busters to an artifact that doesn't seem to quite fit with the rest of the collection. Could it be a forgery? The Code Busters' code-cracking skills and new knowledge of hieroglyphic messages will help them get to the bottom of this mystery, but they better think fast before the criminal tries to frame them.…

Language: English
Published by Lerner Publishing Group, 2018
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 3.42
Free ShippingShips within U.S.A.Quantity: 3 available
Paperback. Condition: Good. The Code Busters are excited for their class field trip to Angel Island, known as the Ellis Island of the West. One of Mika's ancestors passed through the island's immigration station in the early twentieth century, and Mika thinks he may have left behind some secret messages . . . plus a very special box. But as the Code Busters search for hints from the past, they get caught up in an even bigger secret. Can you crack the code? Test your brain with the Code Busters to see if you have the right stuff to be an ace detective. Answers are in the back, in case you get stuck.…

Language: English
Published by Darby Creek ™, 2018
- Softcover
Seller: Zoom Books Company, Lynden, WA, U.S.A.Zoom Books Company
Contact seller5-star sellerCondition: Used - Very good
£ 3.44
Free ShippingShips within U.S.A.Quantity: 1 available
Condition: very_good. Book is in very good condition and may include minimal underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Language: English
Published by Darby Creek ™, 2018
- Softcover
Seller: Zoom Books East, Glendale Heights, IL, U.S.A.Zoom Books East
Contact seller5-star sellerCondition: Used - Very good
£ 3.44
Free ShippingShips within U.S.A.Quantity: 1 available
Condition: very_good. Book is in very good condition and may include minimal underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Language: English
Published by Darby Creek ™, 2016
- Softcover
Seller: Zoom Books Company, Lynden, WA, U.S.A.Zoom Books Company
Contact seller5-star sellerCondition: Used - Very good
£ 3.44
Free ShippingShips within U.S.A.Quantity: 1 available
Condition: very_good. Book is in very good condition and may include minimal underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

- Softcover
Seller: BooksRun, Philadelphia, PA, U.S.A.BooksRun
Contact seller5-star sellerCondition: Used - Fair
£ 3.60
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Fair. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Language: English
Published by Darby Creek ⢠(edition ), 2025
- Softcover
Seller: BooksRun, Philadelphia, PA, U.S.A.BooksRun
Contact seller5-star sellerCondition: Used - Very good
£ 3.61
Free ShippingShips within U.S.A.Quantity: 2 available
Paperback. Condition: Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Language: English
Published by Egmont USA, 2014
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 3.64
Free ShippingShips within U.S.A.Quantity: 3 available
Paperback. Condition: Good. Readers will have tons of fun creating the codes right along with the characters in this interactive series. Cody, Quinn, Luke, and M.E. love playing around with codes. In fact, they love codes so much they have their own club, with a secret hideout and passwords that change every day. On a class trip to the Cornell Mission, the Code Busters learn about Hippolyte de Bouchard, California's only known pirate. Now the Code Busters are on the trail of a new prize: pirate gold But with a fortune at stake, the codes are bound to be hard. Will the Code Busters be able to figure them out, or will this mystery prove to be too difficult to solve.…

Language: English
Published by Egmont USA, 2014
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Very good
£ 3.64
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Very Good. Readers will have tons of fun creating the codes right along with the characters in this interactive series. Cody, Quinn, Luke, and M.E. love playing around with codes. In fact, they love codes so much they have their own club, with a secret hideout and passwords that change every day. On a class trip to the Cornell Mission, the Code Busters learn about Hippolyte de Bouchard, California's only known pirate. Now the Code Busters are on the trail of a new prize: pirate gold But with a fortune at stake, the codes are bound to be hard. Will the Code Busters be able to figure them out, or will this mystery prove to be too difficult to solve.…

Language: English
Published by Darby Creek ⢠(edition Illustrated), 2014
- Softcover
Seller: BooksRun, Philadelphia, PA, U.S.A.BooksRun
Contact seller5-star sellerCondition: Used - Fair
£ 3.65
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Fair. Illustrated. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Language: English
Published by Darby Creek ?, 2012
- Softcover
Seller: Your Online Bookstore, Houston, TX, U.S.A.Your Online Bookstore
Contact seller5-star sellerCondition: Used - Fair
£ 3.78
Free ShippingShips within U.S.A.Quantity: 1 available
paperback. Condition: Fair.

Language: English
Published by Egmont USA, 2012
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Very good
£ 3.78
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Very Good. Cody, Quinn, Luke, and M.E. may not have much in common with each other, but they do love playing around with codes. In fact, they love codes so much, they have their own private club, with a super-secret hideout and passwords that change every single day. When Cody and Quinn notice what could be a code on the window of their neighbor's housethe neighbor they call Skeleton Manthe club gets to work. And it is a cry for help Now the Code Busters are on the caseand nothing will stop them from solving the mystery and finding the secret treasure that seems to be the cause of it all This exciting interactive mystery offers more than fifteen codes for you to decipher, including the Consonant code, Morse code, and American Sign Language. Test your brain with the Code Busters and solve the mystery along with them. Answers are in the back, if you ever get stuck.…

Language: English
Published by Darby Creek ⢠(edition Reprint), 2018
- Softcover
Seller: BooksRun, Philadelphia, PA, U.S.A.BooksRun
Contact seller5-star sellerCondition: Used - Very good
£ 3.78
Free ShippingShips within U.S.A.Quantity: 1 available
Paperback. Condition: Very Good. Reprint. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Language: English
Published by Egmont USA, 2012
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 3.78
Free ShippingShips within U.S.A.Quantity: 8 available
Paperback. Condition: Good. Cody, Quinn, Luke, and M.E. may not have much in common with each other, but they do love playing around with codes. In fact, they love codes so much, they have their own private club, with a super-secret hideout and passwords that change every single day. When Cody and Quinn notice what could be a code on the window of their neighbor's housethe neighbor they call Skeleton Manthe club gets to work. And it is a cry for help Now the Code Busters are on the caseand nothing will stop them from solving the mystery and finding the secret treasure that seems to be the cause of it all This exciting interactive mystery offers more than fifteen codes for you to decipher, including the Consonant code, Morse code, and American Sign Language. Test your brain with the Code Busters and solve the mystery along with them. Answers are in the back, if you ever get stuck.…

Language: English
Published by Egmont USA, 2012
- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Fair
£ 3.78
Free ShippingShips within U.S.A.Quantity: 3 available
Paperback. Condition: Fair. Cody, Quinn, Luke, and M.E. may not have much in common with each other, but they do love playing around with codes. In fact, they love codes so much, they have their own private club, with a super-secret hideout and passwords that change every single day. When Cody and Quinn notice what could be a code on the window of their neighbor's housethe neighbor they call Skeleton Manthe club gets to work. And it is a cry for help Now the Code Busters are on the caseand nothing will stop them from solving the mystery and finding the secret treasure that seems to be the cause of it all This exciting interactive mystery offers more than fifteen codes for you to decipher, including the Consonant code, Morse code, and American Sign Language. Test your brain with the Code Busters and solve the mystery along with them. Answers are in the back, if you ever get stuck.…

- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Good
£ 3.79
Free ShippingShips within U.S.A.Quantity: 1 available
Condition: Good. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc.

- Softcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contact seller5-star sellerCondition: Used - Very good
£ 3.79
Free ShippingShips within U.S.A.Quantity: 1 available
Condition: Very Good. Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.