What if we had two moons? Or if the earth were less dense, or if our solar system were younger? Comins analyzes how differences would affect the plant, animal, and human life on our planet. A fascinating examination of the earth's place in the solar system--and just how fragile that place is.
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What if we had two moons? Or if the earth were less dense, or if our solar system were younger? Comins analyzes how differences would affect the plant, animal, and human life on our planet. A fascinating examination of the earth's place in the solar system--and just how fragile that place is.
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Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $1.86, fair condition, Sold by ZBK Books rated 4.0 out of 5 stars, ships from Woodland Park, NJ, UNITED STATES, published 1993 by Harpercollins.
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Fair. Used book-May contain writing notes highlighting bends or folds. Text is readable book is clean and pages and cover mostly intact. May show normal wear and tear. Item may be missing CD. May include library marks. Fast Shipping.
Add this copy of What If the Moon Didn't Exist: Voyages to Earths That to cart. $2.19, like new condition, Sold by ThriftBooks-Reno rated 5.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 1993 by HarperCollins Publishers.
Add this copy of What If the Moon Didn't Exist: Voyages to Earths That to cart. $2.19, very good condition, Sold by ThriftBooks-Reno rated 5.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 1993 by HarperCollins Publishers.
Add this copy of What If the Moon Didn't Exist: Voyages to Earths That to cart. $2.19, good condition, Sold by ThriftBooks-Reno rated 5.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 1993 by HarperCollins Publishers.
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $3.99, very good condition, Sold by HPB-Emerald rated 5.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1993 by Harpercollins.
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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!
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $4.00, very good condition, Sold by Half Price Books Inc rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1993 by Harpercollins.
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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!
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $4.50, very good condition, Sold by HPB-Diamond rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1993 by Harpercollins.
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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!
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $4.52, very good condition, Sold by Wonder Book - Member ABAA/ILAB rated 5.0 out of 5 stars, ships from Frederick, MD, UNITED STATES, published 1993 by HarperCollins Publishers.
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Very Good. Very Good condition. Very Good dust jacket. A copy that may have a few cosmetic defects. May also contain a few markings such as an owner's name, short gifter's inscription or light stamp.
Add this copy of What If the Moon Didn't Exist: Voyages to Earths That to cart. $7.95, very good condition, Sold by Delight of Life Books rated 5.0 out of 5 stars, ships from CEDAR, MI, UNITED STATES, published 1993 by HarperCollins Publishers.
