- eBookBe in a TreehousePeter Nelson
- eBookHerbert's WormholePeter Nelson
- eBookCreature Keepers and the Hijacked Hydro-HidePeter Nelson
- eBookHerbert's WormholePeter Nelson
- eBookHerbert's WormholePeter Nelson
- eBookCreature Keepers and the Perilous Pyro-PawsPeter Nelson
- eBookCreature Keepers and the Swindled Soil-SolesPeter Nelson
- eBookCreature Keepers and the Burgled Blizzard-BristlesPeter Nelson
- eBookFirst to DiePeter Nelson
- eBookDouble DosePeter Nelson
- eBookThe Third DegreePeter Nelson
- eBookSerien: Creature KeepersPeter Nelson
- eBookSerien: Herbert's WormholePeter Nelson