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Did you know you cry two types of tears? And up to 30 trillion red blood cells pass through your heart in a minute? With colorful, infographic-styl...

A fun and informative book packed with 100 fascinating things to know about space, from how to escape a black hole to why astronauts learn wilderne...

A story of a child who isn't sure what to make of a chance encounter, then discovers that when you get brave, take chances, and say yes to new expe...

Sanity and Tallulah are back for another out-of-this-world adventure!Sanity and Tallulah are going on a field trip-to a real live planet! Some of t...