Abacus
No. of pages 135
Published: 2014
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There are 135 pages in this book. This book was published 2014 by Boson Books .
Chris McGowan is retired as the curator in the dinosaur department of Canada's Royal Ontario Museum in Toronto. An esteemed paleontologist and former professor of zoology at the University of Toronto, veteran of dinosaur digs around the world, and the author of several other books for young audiences, Chris lives in Toronto.