SOME WORKS
- The Hitchhiker's Guide to the Galaxy Radio Scripts: Tertiary, Quandary & Quintessential Phases
- Автостопом по Галактике (Автостопом по Галактике, #1-2)
- Young Zaphod Plays It Safe (Hitchhiker's Guide to the Galaxy, #0.5)
- Not a book
- Dirk Gently: The Long Dark Tea-Time Of The Soul: A BBC Radio Full-Cast Dramatization
- The Hitchhiker's Trilogy
- The Hitchhiker's Guide to the Galaxy: The Secondary Phase (Hitchhiker's Guide: Radio Play, #2)
- The Hitchhiker's Guide to the Galaxy: Primary Phase
- Douglas Adams, Per Anhalter Durch Die Galaxis - Comic 1 (Per Anhalter durch die Galaxis, #1)
- Douglas Adams' The Hitchhiker's Guide to the Galaxy, Book 2 of 3 (The Hitchhiker's Guide to the Galaxy #1)