Grumpy Monkey Spring Fever: Includes Fun Stickers!

Grumpy Monkey Don't Be Scared: Includes Scary Stickers

Grumpy Monkey Play All Day

Grumpy Monkey Mom for a Day: Includes Fun Stickers

Grumpy Monkey Up All Night

Grumpy Monkey Party Time!

Grumpy Monkey Too Many Bugs (Grumpy Monkey Step Into Reading)

Grumpy Monkey The Egg-Sitter (Grumpy Monkey Step Into Reading)

Grumpy Monkey Ready, Set, Bananas! (Grumpy Monkey Step Into Reading)

Grumpy Monkey Get Your Grumps Out (Grumpy Monkey Step Into Reading)

Grumpy Monkey's Little Book of Grumpiness (Grumpy Monkey Board Books)

Grumpy Monkey Yuck! (Grumpy Monkey Board Books)

Grumpy Monkey Says No! (Grumpy Monkey Board Books)

Grumpy Monkey Are We There Yet? (Grumpy Monkey Board Books)

Grumpy Monkey Freshly Squeezed: A Graphic Novel (Grumpy Monkey Graphic Novels)

Grumpy Monkey Who Threw That?: A Graphic Novel

Grumpy Monkey School Stinks!: A Graphic Novel (Grumpy Monkey Graphic Novels)