Who illustrated the book in which the film "Ferdinand" is based on?
Ferdinand (film): Ferdinand is an upcoming 2017 American 3D computer-animated comedy film produced by Blue Sky Studios and 20th Century Fox Animation. Ferdinand (film):  It is based on Munro Leaf's children's book "The Story of Ferdinand" and directed by Carlos Saldanha, and stars the voices of John Cena, Kate McKinnon, Gina Rodriguez, Daveed Diggs, Gabriel Iglesias, Bobby Cannavale, David Tennant, and Anthony Anderson. The Story of Ferdinand: The Story of Ferdinand (1936) is the best known work written by American author Munro Leaf and illustrated by Robert Lawson.
Robert Lawson