Explains how to write and decipher space codes, hidden word codes, and alphabet codes and gives formulas for invisible ink. Includes suggestions for delivering coded messages.
"synopsis" may belong to another edition of this title.
Seller: Jenson Books Inc, Logan, UT, U.S.A.
paperback. Condition: Good. The item is in good condition and works perfectly, however it is showing some signs of previous ownership which could include: small tears, scuffing, notes, highlighting, gift inscriptions, and library markings. Seller Inventory # 4BQGBJ00UZO3
Seller: Wonder Book, Frederick, MD, U.S.A.
Condition: Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included. Seller Inventory # S10C-03136
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Paperback. Condition: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0590026062I3N10
Seller: HPB Inc., Dallas, TX, U.S.A.
paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! Seller Inventory # S_442511048
Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Good. First Edition. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 8034899-6
Seller: Better World Books: West, Reno, NV, U.S.A.
Condition: Good. First Edition. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 8034899-6
Seller: -OnTimeBooks-, Phoenix, AZ, U.S.A.
Condition: good. A copy that has been read, remains in good condition. All pages are intact, and the cover is intact. The spine and cover show signs of wear. Pages can include notes and highlighting and show signs of wear, and the copy can include "From the library of" labels or previous owner inscriptions. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item for full refund. Ships via media mail. Seller Inventory # OTV.0590026062.G
Seller: Hawking Books, Edgewood, TX, U.S.A.
Condition: Very Good. Very Good Condition. Has some wear. Five star seller - Buy with confidence! Seller Inventory # X0590026062X2
Seller: Polly's Books, Grand Rapids, MI, U.S.A.
Paperback. Condition: Good. 4th Printing, 1971. Softcovers have same cover art. A good softcover copy with a tight and square binding. Text and illustrations are clean but text has yellowed. Softcovers are good but are mildly scuffed. Careful packaging and fast shipping. We recommend EXPEDITED MAIL for even faster delivery. Shipped in 100% recyclable material. Seller Inventory # 40426
Seller: The Book Garden, Bountiful, UT, U.S.A.
Paperback. Condition: Good - Cash. General use wear, surface and edges rubbed. Corners bumped and show wear. Some creasing to the cover and along the spine. Some soiling to the back cover. Pages show reader wear. Previous owner's name inside. Secure pages, solid binding. Stock photos may not look exactly like the book. Seller Inventory # 995564