Valentine's Day seems like the perfect time for Marty Onster to let his best friend, Sally Weet, know how great she is. But when Bart Ully upstages Marty's card

From Rachel Bright, creator of the #1 Publishers Weekly bestseller Love Monster comes a new story about sharing and chocolate—perfect for Valentine's Day. Whe

Groggle has been up all night making a Valentine’s Day card. This isn’t just any Valentine, though, and it has to be perfect—it’s for Snarlina, his beas

Marty Onster is excited to work with clay in his art class, but when Bary Ully ruins his sculpture, Marty turns into an angry monster boy.

When Valentine's Day comes round, Marty Onster wants to let his best friend Sally Weet know how much he likes her, even if Bart Ully's behavior brings out the m