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?

"Red Storm Rising" (1986) and the "Jack Ryan" series (1984-2013)
John Irving
Robert James Waller
Tom Clancy
Neil Gaiman