War of Numbers
Author: Juan Darién
OQO Editora. Hardcover. 48 pages. 2009
One is the smallest number of all. Get a secret weapon, the Minus Sign, and subtracted from the other numbers. A book about freedom and diversity, with a touch of math.
This book has been awarded the 1st CJ Picture Book Award for Illustration in 2009.
Available in:
http://www.oqo.es/editora/es/content/la-guerra-de-los-números