Annette Sexton

Meet Marvin, a lovable monster with a twelve-stringed baby fang guitar, a rambunctious case of ADHD, and a diary to record it all. His teachers scold him, his parents don't know what to do with him, and his sister is convinced he was raised by triple-tailed monkeys. In short, Marvin's life is feeling out of control—until a secret formula changes...