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 Imponderables: The Solution To The Mysteries Of Everyday Life Author: 35 Book Type: Paperback Publication Date: 1987 |
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 How Does Aspirin Find a Headache?: An Imponderables Book Author: 11 Book Type: Hardcover Publication Date: 1993 |
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 When Do Fish Sleep? And Other Imponderables of Everyday Life Author: 30 Book Type: Paperback Publication Date: 1990 |
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 How Do Astronauts Scratch an Itch?: An Imponderables Book (An Imponderables Book) Author: 3 Book Type: Hardcover Publication Date: 1996 |
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 Marshall Brain's How Stuff Works (Marshall Brain's How Stuff Works) Author: 2 Book Type: Hardcover Publication Date: 2001 |
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 Why Do Dogs Have Wet Noses? and Other Imponderables of Everyday Life Author: 6 Book Type: Paperback Publication Date: 1991 |
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 What Happens to a Torn Dollar Bill?: Dr. Knowledge Presents Facts, Figures, and Other Fascinating Information About Money Author: 2 Book Type: Paperback Publication Date: 2006 |
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