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Robert Murray
$5.49
1 hour
A+ Audio is the innovative audio study guide series that will help you better understand, appreciate, and enjoy great works of literature.
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Jack Arnold
$12.99
3 hours
Astronomy is perhaps the oldest science. The ancients saw cosmic meanings in the stars, and they organized their lives around lunar and solar cycles (i.e. the month and year). They also observed th...
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Dr. Gordon Brittan
$12.99
3 hours
Isaac Newton (1642-1727) achieved momentous breakthroughs in three areas: mathematics (the calculus), a theory of colors, and gravitational attraction. His first insights in each of these areas occ...
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Various
$17.99
2 hours 30 minutes
Helping your dog become a well-behaved member of your household can be fun and rewarding--for both of you!
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