Matt de la Peña is the author of Ball Don't Lie, Mexican WhiteBoy, We Were Here, I Will Save You and, most recently, The Living. Random House Children's Books hide caption

itoggle caption Random House Children's Books

Members of Doctors Without Borders put on protective gear in Conakry, Guinea. Cellou Binani/AFP/Getty Images hide caption

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Not all cows get to spend their days with soft green grass under hoof. For many, the picture isn't so pretty, according to the book Farmageddon. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images