Before I Go to Sleep by S.J Watson is a thrilling mystery.  I would recommend it to anyone ready for a roller-coaster.
The main character, Christine, is the victim of amnesia.  Her memory is lost every night when she goes to sleep.  Each morning, she wakes ups in a stranger’s bed and a stranger’s home only to find that supposedly this stranger is her husband, or so he says.  She must face a new life each day unaware that it is even happening to her. 
She begins to keep a journal, and the majority of the book is reading her journal.
It becomes a mental game with a book where you don’t know whether the words put there are real or not.  Trust is redefined and secrets are uncovered. 
Reading Before I Go to Sleep is a commitment to flipping the pages until you discover Christine’s past and present.  It is a psychological book that anyone would enjoy, and it is even based of the true stories of amnesiacs.