Callista Gingrich, wife of Republican presidential candidate, former House Speaker Newt Gingrich, reads her book "Sweet Land of Liberty" to a group of students in the library at Chaparral Elementary School in Gilbert, Ariz. Sitting next to Gingrich is a character from her book, Ellis the Elephant. (AP Photo/The Arizona Republic, Mark Henle)

Question: What was your favorite children's book growing up?