Schaaf Fred (300 results)

Paperback. Condition: Good. Discover the fascination of astronomy with 100 easy, inexpensive projects that promise loads of fun for sky watchers of all ages. Geared toward beginning astronomers from junior high school level and up, this entertaining guide was written in direct, nontechnical terms by an experienced astronomer and well-known author. Daylight and nighttime activities include sightings of comets, meteors, stars, and planets as well as phases of the Moon, halos, twilights, and many other intriguing phenomena.These interesting, instructive activities and projects require just the naked eye and ordinary household materials. In addition to a wealth of activities for families to enjoy together, Seeing the Sky also offers a fine resource for classrooms, astronomy clubs, nature societies, and other groups. This updated edition features a new Preface, two new tables, and a revised Sources of Information list that includes current websites. Myers, Doug (illustrator).…

hardcover. Condition: Fair.

Paperback. Condition: Good.

Condition: Acceptable. Item in acceptable condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.

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.

Hardback. Condition: Good. An astronomy guidebook containing activities and projects for daylight and night-time skies, including ones related to the sun's corona, rainbows and atmospheric optics. It is written both for the use of teenagers and adults.

Condition: Very Good. Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.

Condition: Good. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc.

Condition: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Paperback. Condition: Fair.

Paperback. Condition: Very Good.

Paperback. Condition: Very Good.

Condition: good. Fast & Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy.

Condition: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Paperback. Condition: Good. Discover the fascination of astronomy with 100 easy, inexpensive projects that promise loads of fun for sky watchers of all ages. Geared toward beginning astronomers from junior high school level and up, this entertaining guide was written in direct, nontechnical terms by an experienced astronomer and well-known author. Daylight and nighttime activities include sightings of comets, meteors, stars, and planets as well as phases of the Moon, halos, twilights, and many other intriguing phenomena.These interesting, instructive activities and projects require just the naked eye and ordinary household materials. In addition to a wealth of activities for families to enjoy together, Seeing the Sky also offers a fine resource for classrooms, astronomy clubs, nature societies, and other groups. This updated edition features a new Preface, two new tables, and a revised Sources of Information list that includes current websites. Myers, Doug (illustrator).…

Paperback. Condition: Very Good. First Edition. 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.

Paperback. Condition: Fair. First Edition. 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.

paperback. Condition: Acceptable. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket.…

Hardcover. Condition: Acceptable. Dust Jacket Condition: Includes dust jacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. Ottewell, G. (illustrator).…

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.

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.

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.

Hardcover. Condition: Very Good. No Jacket. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

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.

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. Myers, Doug (illustrator).

Paperback. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Myers, Doug (illustrator).

Paperback. Condition: Good.

Paperback. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Myers, Doug (illustrator).