You read the book, now watch the movie...
Ender's Game (based on the book by Orson Scott Card)
A hostile alien race attacked Earth, and if not for the legendary heroics of Fleet Commander Mazer Rackham, all would have been lost. In preparation for the next attack, Colonel Hyrum Graff is training only the best young children. Ender Wiggin, a shy, but brilliant boy, is soon ordained by Graff as the military's next great hope. Once at Command School, he's trained by Mazer Rackham, himself, to lead them into an epic battle that will determine the future of Earth and save the human race.
The Giver (based on the book by Lois Lowry)
The story centers on Jonas, a young man who lives in a supposedly ideal world of conformity and contentment. Yet as he begins to spend time with the elder, who is the sole keeper of all the community's memories, Jonas quickly begins to discover the dark and deadly truths of his community's secret past. At extreme odds, Jonas knows that he must escape their world to protect them all; a challenge that no one has ever succeeded at before.
The Maze Runner (based on the book by James Dashner)
When Thomas wakes up trapped in a massive maze with a group of other boys, he has no memory of the outside world other than strange dreams about a mysterious organization known as W.C.K.D. Only by piecing together fragments of his past with clues he discovers in the maze can Thomas hope to uncover his true purpose and a way to escape.