Bookshelf meme

From naath:

Take out any authors not found on your bookshelf, and make the number back up to 10 with authors who are.

Neil Gaiman
J. R. R. Tolkien
Terry Pratchett
Iain M. Banks
Arthur C. Clarke
Isaac Asimov
Marion Zimmer Bradley
Jean M. Auel
Robert Jordan
Alastair Reynolds
Julian May
John Milton
Peter F. Hamilton
Lloyd Alexander
Colin Watson

(last one: yes, really!)