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. $1.95, fair condition, Sold by ZBK Books rated 5.0 out of 5 stars, ships from Woodland Park, NJ, UNITED STATES, published 1993 by Harpercollins.
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Fair. Fast &-A well-used but reliable copy with all text fully readable. Pages and cover remain intact though wear such as notes highlighting bends or library marks may be present. Supplemental items like CDs or access codes may not be included.
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $2.65, good condition, Sold by ThriftBooks-Reno rated 4.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 1993 by Harpercollins.
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $2.65, good condition, Sold by ThriftBooks-Baltimore rated 4.0 out of 5 stars, ships from Halethorpe, MD, UNITED STATES, published 1993 by Harpercollins.
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $2.65, good condition, Sold by ThriftBooks-Dallas rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1993 by Harpercollins.
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $2.69, good condition, Sold by Gulf Coast Books rated 5.0 out of 5 stars, ships from Cypress, TX, UNITED STATES, published 1993 by Harpercollins.
Add this copy of What If the Moon Didn't Exist? : Voyages to Earths That to cart. $3.89, very good condition, Sold by HPB-Ruby 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. $3.89, very good condition, Sold by HPB 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. $3.89, 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. $3.99, very good condition, Sold by HPB-Emerald 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. $4.00, 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!
