Grumpy Monkey School Stinks! (Grumpy Monkey Graphic Novels)

Grumpy Monkey Don't Be Scared

Grumpy Monkey

Grumpy Monkey Freshly Squeezed (Grumpy Monkey, Volume 1)

Grumpy Monkey Valentine Gross-Out

Oh, No! Christmas (Grumpy Monkey)

Archibald and the Furry Dinosaurs