Join the Riverhead Free Library for a fun-filled afternoon of Wizard of Oz trivia on Aug. 6. Test your knowledge about this beloved classic, from the characters and storyline to behind-the-scenes facts. The trivia game is set to run from 1 to 2 p.m. In addition to the trivia, attendees will be treated to snacks and beverages. There will also be a chance to win some exciting prizes. This event is free and open to all Wizard of Oz enthusiasts. Don’t miss this opportunity to show off your knowledge and have some fun!