D.J. MacHale - Morpheus Road (#1-3)

The Light (Morpheus Road #1)
Marshall Seaver is being haunted. Sixteen-year-old Marshall discovers that something beyond our world is after him. The eerie clues pile up quickly, and when people start dying, it’s clear whatever this is it’s huge.

Marshall has no idea what’s happening to him, but he’s soon convinced that it has something to do with his best friend Cooper, who’s been missing for over a week. Together with Coop’s sister, Marsh searches for the truth about what happened to his friend, ultimately uncovering something bigger than he could ever have imagined

The Black (Morpheus Road #2)
At the end of The Light, Book One of the Morpheus Road trilogy, Marshall learned the truth about what happened to his best friend Cooper. Now in Book Two, the POV switches to Cooper and we get to see his side of the mystery. What does his story have to do with Marshall and the journey along the Morpheus Road? It's time to learn more . . .

The Blood (Morpheus Road #3)
From Marshall’s mysterious experiences in The Light to Cooper’s haunting perspective in The Black, the questions have intensified along with the action. And now it is time for answers: A final showdown is in order between best friends Marshall and Cooper and the terrifying villain Damon, who’s more determined than ever to break down the walls between the worlds of the living and the dead.

Marshall is forced to make a brave and shocking choice when the battle is on the line, and he and Cooper might be rewarded with help from someone quite unexpected….