Clifford the Big Red Dog is an American children's book series and media franchise focusing on the adventures of an 8-year-old blonde-haired girl named Emily Elizabeth and her titular pet: a gigantic, love-filled, red-furred dog named Clifford. It was first published in 1963 and was written by Norman Bridwell. There are 91 books in the series, with the final two released posthumously after Bridwell's death in 2014. The premise has been adapted into animation, video games, stage productions, and live-action, with Clifford the Big Red Dog the most recent as of 2025. Clifford is the official mascot of Scholastic Corporation.