My top 10, Desert Island Books:

Microserfs (Douglas Coupland)
The Tempest (Shakespeare)
Norwegian Wood (Murakami)
The Fionavar Tapestry [The Summer Tree, The Wandering Fire, The Darkest Road] (Guy Gavriel Kay)
The Sandman [all 10 volumes] (Gaiman)
Picasso at the Lapin Agile and Other Plays (Steve Martin)
Ulysses (James Joyce)
One Hundred Years of Solitude (Gabriel Garcia Marquez)
The Great Gatsby (F. Scott Fitzgerald)
From Hell (Alan Moore)

*I have no affiliation with amazon.com, they are merely a good reference tool.