Cover design and interior: Available on Amazon here: http://www.amazon.com/How-Come-Science-Questions-Explained/dp/076117978X/ref=sr_1_1?ie=UTF8&qid=1421164673&sr=8-1&keywords=how+come%3F
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How Come? Every Kid's Science Questions Explained
Cover design and interior: Available on Amazon here: http://www.amazon.com/How-Come-Science-Questions-Explained/dp/076117978X/ref=sr_1_1?ie=UTF8&qid=1421164673&sr=8-1&keywords=how+come%3F