Dreamhouse Kings #1: House of Dark Shadows by Robert Liparulo is an excellent book for young adults. There is nothing inherently "christian" about the book, but the language is clean which gives it a different feel from your typical thriller books. I did not know what to expect when I opened the book, but the prologue is what really drew me in and kept me reading.
The story is told through a fifteen year old boy named Xander. He and his family have just moved to an "off the map" town from the big city. The only solace that he can find in the move is exploring their new house with his younger brother, David. At first they find normal "scary old house" things. Things that just don't settle right with Xander, but it's really nothing worth fretting over. Later in the explorations, the boys find an entire hallway, hidden away, with many doors lined on each side.
Once I got to this point it was very hard to put the book down. Until then, it moved a little slowly. It truly was the prologue that made me want to read more.
All in all, I would say it is a very good book, but definitely geared to a younger age group.