Grumpy Monkey Up All Night by Suzanne Lang Grumpy Monkey's Little Book of Grumpiness by Suzanne Lang Grumpy Monkey Yuck! by Suzanne Lang Grumpy Monkey Are We There Yet? by Suzanne Lang Grumpy Monkey Says No! by Suzanne Lang Grumpy Monkey Mine! by Suzanne Lang Grumpy Monkey Poop! by Suzanne Lang
