Critically acclaimed author Cammie McGovern presents a heartwarming and humorous middle grade novel about the remarkable bond that forms between an aspiring service dog and an autistic boy in need of a friend. Joyful, inspiring, and completely winning, Chester and Gus is unforgettable, proclaimed Katherine Applegate, #1 New York Times bestselling author of the Newbery Medal winner The One and Only Ivan.Chester has always wanted to become a service dog. When he fails his certification test, though, it seems like that dream will never come trueuntil a family adopts him. They want him to be a companion for their ten-year-old son, Gus, who has autism. But Gus acts so differently than anyone Chester has ever met. He never wants to pet Chester, and sometimes he doesnt even want Chester in the room. Chesters not sure how to help Gus since this isnt exactly the job he trained forbut hes determined to figure it out. Because after all, Gus is now his person.In the spirit of beloved classics like Because of Winn-Dixie, Shiloh, and Old Yeller, Cammie McGoverns heartfelt noveltold from Chesters point of viewexplores the extraordinary friendship between a child and a dog with a poignant and modern twist.