This husband-and-wife team, who collaborated on Wolfsnail: A Backyard Predator, turn their attention to the Fibonacci sequence of numbers, employing photographs from nature, basic addition, and reader ...
Sarah C. Campbell, photos by Sarah C. and Richard P. Campbell. Boyds Mills, $16.95 (32p) ISBN 978-1-62091-627-8 The husband-and-wife team behind Growing Patterns: Fibonacci Numbers in Nature (2010) ...
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