"And then there were none" by Agatha Christie

  This book deals with ten stranegrs who are invited to a lonely mansion in a remote island for some days. The "host", Mr. Owen, was missing, and then one by one started to die in strange situations, while they were acused of some crimes, and a child song was played... They have to survive in the house with the other people, try to identify the murderer, and be really crafty.

 The book will make your brain explodes. Incredibly impresionant when you get to know the murderer.