This document provides background information on the creators of the children's book "Amazing Me: It's Busy Being 3!". The book follows a 3-year-old boy named Joey through his day and shows developmental milestones for children that age. The summary includes brief biographies of the book's author Julia Cook, contributing author and pediatrician Laura A. Jana, and illustrator Allison Valentine. It also lists developmental milestones for 3-year-olds.