According to Shannon Fiedler on Romper.com there are 13 books you should read before they become movies in 2016.  

Here is the list:

1. Fantastic Beasts and Where to Find Them by Newt Scamander by J.K. Rowling
2. Luckiest Girl Alive by Jessica Knoll
3. The BFG by Roald Dahl
4. Let it Snow by John Green, Maureen Johnson & Laura Myracle
5. I Take You by Eliza Kennedy - this might be a 2016 release
6. The 5th Wave by Rick Yancey
7. Me Before You by JoJo Moyes
8. Inferno by Dan Brown
9. Miss Peregrine's Home for Peculiar Children by Ransom Riggs
10. The Zookeeper's Wife:  A True Story of an Unlikely Heroine by Diane Ackerman
11. East of Eden by John Steinbeck - no release date for this one
12. Allegiant by Veronica Roth
13. The Girl on the Train by Paula Hawkins

Full Article can be found here.