Adult Summer Reading: Trivia at the Library! Test your useless knowledge of pop culture, random school facts, and more! Bring teammates or come alone and partner up at the door. This event is part of the Adult Summer Reading Program at Sonoma County Library. Join our community of readers this summer -- read at least five books from June 1-August 10 to earn a free book and a chance to win awesome prizes! Sign up today at sonomalibrary.beanstack.org and get rewarded for reading! Be sure to check out all of the Adult Summer Reading events in Sonoma County.