Grumpy Monkey Oh, No! Christmas
Suzanne Lang & Max Lang
Grumpy Monkey Up All Night
Suzanne Lang & Max Lang
Grumpy Monkey Party Time!
Suzanne Lang & Max Lang
Grumpy Monkey
Suzanne Lang & Max Lang
Grumpy Monkey Father's Day Fuss
Suzanne Lang & Max Lang
Grumpy Monkey Mom for a Day
Suzanne Lang & Max Lang
Grumpy Monkey Play All Day
Suzanne Lang & Max Lang
Grumpy Monkey Spring Fever
Suzanne Lang & Max Lang
Grumpy Monkey's Little Book of Grumpiness
Suzanne Lang & Max Lang
Grumpy Monkey Yuck!
Suzanne Lang & Max Lang