Popular Books That Are Short Enough to Finish in a 1-Week Vacation

What it's about: This incredibly interesting memoir by Susannah Cahalan explores a terrifying event that happened to her when she was just 24 years old: she woke up alone in a hospital room, strapped down and unable to move or speak, with no memory of how it happened, all thanks to a mysterious, debilitating disease (note: Brain on Fire is set to come out in the next year or so as a movie starring Chloë Grace Moretz).