Douglas Adams: The Hitchhiker Trilogy

The Salmon of Doubt (Hitchhiker's Guide to the Galaxy)

Dirk Gently's Holistic Detective Agency

And Another Thing... (The Hitchhiker's Guide to the Galaxy)

The Long Dark Tea-Time of the Soul (Dirk Gently)

The Hitchhiker's Guide to the Galaxy

The Ender Quartet Boxed Set: Ender's Game, Speaker for the Dead, Xenocide, Children of the Mind (The Ender Quintet)

The Hitchhiker's Guide to the Galaxy [Blu-ray]

The Hitchhiker's Guide to the Galaxy (Widescreen Edition)

The Complete Isaac Asimov's Foundation Series Books 1-7 (Foundation, Foundation and Empire, Second Foundation, Foundation's Edge, Foundation and Earth, Prelude to Foundation, Forward the Foundation)

Dune