Katherine Applegate 
Roscoe Riley Rules #7: Never Race a Runaway Pumpkin [EPUB ebook] 

The seventh book in a hilarious chapter book series about an accidental rule breaker from Katherine Applegate, Newbery Medalwinning and bestselling author of The One and Only Ivan, Endling, and Wishtree.If Roscoe guesses the weight of a giant pumpkin, hell win a bunch of new books for the school library and a ton of candy! Easy, right? But a little black cat keeps trying to cross his path! Will the bad-luck kitty jinx Roscoe and ruin his chance to win?Roscoe and his comical misadventures will appeal to fans of Megan Mc Donalds Stink series; Nancy Kruliks George Brown, Class Clown series; Rebecca Elliotts Owl Diaries series; and Dan Gutmans My Weirder School series.