What's selling best at independent bookstores across America.
'Game of Thrones' returned for a fourth season on April 6.
Thousands of New York fans of HBO's smash hit 'Game of Thrones' gave the series' author and creator rock-star treatment at the sneak preview for Season Four.
'Thrones' showrunners D.B. Weiss and David Benioff recently said they're planning on seven seasons for the HBO fantasy drama.