Chances are, you're pretty familiar with the fact that a lot of shows these days are based on books. Some are classics, some are popular teen series and some are even based on nonfiction.
Do some include vampires? Yep. Post-apocalyptic fiction? Of course. Romance? Sure. Maybe a psychopath or two? Most definitely.
Here are 17 of our favorite shows that were books before they were small screen sensation. Some of them are pretty darn obvious, but others may just surprise you.
Check them out below and then sound off: Did you know these hit book stores before they hit your living room? Which is your favorite adaption to date?