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- EbookHerbert's WormholePeter Nelson
- EbookCreature Keepers and the Hijacked Hydro-HidePeter Nelson
- EbookHerbert's WormholePeter Nelson
- EbookHerbert's WormholePeter Nelson
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- 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
- EbookSeries: Creature KeepersPeter Nelson
- EbookSeries: Herbert's WormholePeter Nelson