- E-bookBe in a TreehousePeter Nelson
- E-bookHerbert's WormholePeter Nelson
- E-bookCreature Keepers and the Hijacked Hydro-HidePeter Nelson
- E-bookHerbert's WormholePeter Nelson
- E-bookHerbert's WormholePeter Nelson
- E-bookCreature Keepers and the Perilous Pyro-PawsPeter Nelson
- E-bookCreature Keepers and the Swindled Soil-SolesPeter Nelson
- E-bookCreature Keepers and the Burgled Blizzard-BristlesPeter Nelson
- E-bookFirst to DiePeter Nelson
- E-bookDouble DosePeter Nelson
- E-bookThe Third DegreePeter Nelson
- E-bookSéries: Creature KeepersPeter Nelson
- E-bookSéries: Herbert's WormholePeter Nelson