What is a Thriller?

The Boy in the Suitcase by Lene Kaaberbol is classified as a thriller.  As a thriller it keeps the reader anticipating what is to come.  Thrillers consist of plot twists that thrill the reader because of the unexpected turn.  This book is not only classified this as a thriller, but as a physiological thriller.  This book is constantly playing with the reader’s head.  The chapters are divided and shuffled around, so you know what everyone is thinking after each event.  By knowing so much about each character and what they are doing makes your brain go through so many possible solution.  Thriller is a subset of horror, an intense feeling of fear, shock, or disgust.  A thriller specifically is a novel, play, or movie with an exciting plot, typically involving crime or espionage.