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 Omnivore's Dilemma" (2006), "In Defense of Food: An Eater's Manifesto" (2008), "Food Rules: An Eater's Manual" (2009), "Cooked: A Natural History of Transformation" (2013), and "How to Change Your Mind" (2018)
John Grisham
Michael Pollan
Scarlett Thomas
Alice Walker