Oh, this was fun! What can you add to the college experience to make it more exciting? Seven psychopaths with full ride scholarships participating in a psychology study. They don't know who is in the program, but it becomes important to find out after two of them end up dead. I really enjoyed the dynamics between Chloe, Charles and Andre.  The varying ways of dealing with their diagnoses, the consequences not fully trusting each other (after all, who would trust a psychopath?). There were enough red herrings for me to not have guessed the ending, but it didn't come completely out of left field, which is always frustrating.  The plot clipped along nicely, I wasn't bored and may have stayed up passed my bedtime a night or two! I definitely recommend this as a great summer read.