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?

"The Husband's Secret" (2013), "Big Little Lies" (2014), "Truly Madly Guilty" (2016), and "Nine Perfect Strangers" (2018)
Stephen King
Dean Koontz
J. K. Rowling
Liane Moriarty