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 everything. Marvin's Monster Diary teaches kids how to be mindful, observe their surroundings, and take time to think about their actions. Marvin's Monster Diary also includes a resource section to help parents and teachers implement Dr. Melmed's methods, plus ST4 reminders that kids can remove, color, and place around the house.