Maximum Ride, Witch and Wizard, and Daniel X series by James Patterson. Percy Jackson and the Olympians, Heroes of Olympus, and Kane Chronicles by Rick Riordan. Inheritance series by Christopher Paolini. Artemis Fowl Series by Eoin Colfer. Vampire Academy Series by Richelle Mead.
The Chaos Walking Trilogy --- Patrick Ness (will be a film soon, hopefully) The Mortal Instruments (first film coming out this year)
Feed --- M.T. Anderson (scary view of the future) Unwind --- Neal Shusterman (scary in general) Struck By Lightning --- Chris Colfer (is a film; both book and film are great) Darkside --- Tom Becker The Homelanders Series --- Andrew Klavan (I've read the first two books; loving it!)
Divergent Series The Outsiders --- S.E. Hinton (classic, loved it; the film's great too)