Note: Author names may be spelled incorrectly, I don't fell like checking them all with my bookshelf or google.

Time Machine- Michael Chricton
Enders Game- Orson Scott Card (the whole Ender and Bean series are real good)
Enchantment- Orson Scott Card
Hitchhikers Guide to the Galaxy series- Douglas Adams
The Dune books
Anything from Raymond E. Fiest