Celebrate the 20th Anniversary of J.K. Rowling's Harry Potter and the Philosopher's Stone from 2-4 p.m. on Saturday, Aug. 19, at at the Tabb Library. (The book was published a year later in the United States as Harry Potter and the Sorcerer’s Stone.) Enjoy crafts for the kids and trivia for all age groups. Dress in your favorite Harry Potter-inspired duds and pose in our "Selfie" Booth, too. All ages are invited to attend the Harry Potter Celebration.