The Night Circus (Erin Morgenstern)
I haven't finished the whole book, just the sample I downloaded, but I have to say I'm intrigued. I will definitely be finishing the book.
What makes me want to read the rest?
The first section grabs your interest right away when a circus appears seemingly out of nowhere and says it only opens at night. In the next section you meet the main characters and learn about the game. I won't say more than that because I don't want to spoil anything, but trust me, the game promises to be very interesting and probably a little twisted.