This week's New York Times Bestsellers (May 3rd)

In hardcover:

Matthew Stover's Revenge of the Sith climbs up two spots, ending the week at number 4. This latest movie adaptation has remained on the list for 4 weeks now.

In paperback:

Douglas Adams' The Hitchhiker's Guide to the Galaxy is up 15 positions, finishing this week at number 10. This scifi novel has been on the list for 3 weeks now.