Books by Joe Ballarini
Polowanie na potwory 3
Poradnik łowczyni potworów 2
Polowanie na potwory
A babysitter's guide to monster hunting
Babysitter's Guide to Monster Hunting #2
Babysitter's Guide to Monster Hunting #3
Mission to Monster Island
Mission to Monster Island
Beasts & geeks
Beasts & geeks
A Babysitter's Guide to Monster Hunting #1