Flexibility


 * Henkes, Kevin. Chester's way. 1st ed. New York : Greenwillow Books, c1988.
 * Koster, Gloria. The peanut-free café. Morton Grove, Ill : A. Whitman, 2006.
 * Willis, Jeanne. Tadpole's promise. New York: Atheneum Books for Young Readers, c2005.