The Adventure of Thomas the Turtle
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Illustrated book for children of ages 4 to 9.
Turtle Books
The Bible According to Einstein:
A Scientific Complement to the Holy Bible
for the Third Millennium
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A bible of science for the new millennium.
One! Two! Three! This Book 's for Me!
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A preschool counting picture book and scientifically developed first reader.
How I Taught My Four-Year-Old Son to Read
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A 34-page pamphlet.