MONSTER PROBLEMS SERIES

Can Monsters Really Be Heroes? 

Find out in this hilarious, action-packed series that kids 8-12 will sink their teeth into!

Monster Problems Series (Paperbacks)

View all
Save 21%
Monster Problems Bundle: Books 1-3 (Paperbacks)
RL Ullman Monster Problems Bundle: Books 1-3 (Paperbacks)
$41.00 $52.00
Monster Problems: Vampire Misfire (Paperback)
RL Ullman Monster Problems: Vampire Misfire (Paperback)
$18.00
Monster Problems 2: Down for the Count (Paperback)
RL Ullman Monster Problems 2: Down for the Count (Paperback)
$18.00
Monster Problems 3: Prince of Dorkness (Paperback)
RL Ullman Monster Problems 3: Prince of Dorkness (Paperback)
$18.00