May Bestsellers

Hardcovers
1. The Human Division by John Scalzi
2. You by Austin Grossman
3. NOS4A2 by Joe Hill
4. Without a Summer by Mary Robinette Kowal
5.  Mr. Penumbra's 24-Hour Bookstore by Robin Sloan
6.  Make Good Art by Neil Gaiman
7.  The Rithmatist by Brandon Sanderson
8.  Inferno by Dan Brown
9.  Mending the Moon by Susan Palwick
10. River of Stars by Guy Gavriel Kay tie with Redshirts by John Scalzi

Mass Market Paperbacks
1.  Old Man's War by John Scalzi
2.  Ender's Game by Orson Scott Card
3.  Wise Man's Fear by Patrick Rothfuss
4.  Game of Thrones by George R.R. Martin
5.  Blue Remembered Earth by Alastair Reynolds
6.  Crucible of Gold by Naomi Novik
7.  Lost Fleet: Invincible: Beyond the Frontier by Jack Campbell
8.  Zoe's Tale by John Scalzi
9.  Serene Invasion by Eric Brown
10.  Name of the Wind by Patrick Rothfuss

Trade Paperbacks
1.  Redshirts by John Scalzi
2.  Windup Girl by Paolo Bacigalupi
3.  Your Hate Mail Will be Graded by John Scalzi
4.  In Broad Daylight by Seth Harwood
5.  The Departure by Neal Asher