Five popular TV shows based on books, be sure to check them out I didn't even know about the second one!
1. True Blood based on the Southern Vampire series by Charlaine Harris
2. Dexter based on the Dexter series by Jeff Lindsey
3. Friday Night Lights based on Friday Night Lights by H. G. Bissinger
4. Gossip Girl based on the Gossip Girl series by Cecily von Ziegesar
5. Game of Thrones based on A Song of Ice and Fire by George R. R. Martin