Science
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The Kids in Mrs. Z's Class #10: Thunder Nelson Does the ImpossumbleRetail: $6.99You Pay: $3.50You Save 50% -
Women on a Mission: The Remarkable Heroes Who Put Men on the MoonRetail: $18.99You Pay: $8.40You Save 56% -
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The High-Flying, Deep-Diving Adventures of Kathy Sullivan, Astronaut and OceanographerRetail: $19.99You Pay: $7.75You Save 61%