1st U.S. ed. - New York : Simon & Schuster Books for Young Readers, 2010.
1 v. (unpaged) : col. ill. ; 29 cm.
In Fibonacci's Field, Lonely and Chalk Rabbit meet, snuggle together, and then spend a year trying to cope with their ever-increasing brood and the seasonal changes that bring a new challenge each month. Presented in calendar format with one pop-up illustration and other special features.