Instructions 20Q Game: These are similar to full games, but for quizzes larger than 20 questions it will randomly select 20 questions from within the set. This is a quick way to get in some studying of a topic.     
Who wrote the following?

"Sharp Objects" (2006), "Dark Places" (2009), and "Gone Girl" (2012)
Nicholas Sparks
Katherine Paterson
Dean Koontz
Gillian Flynn