(Seth Wenig | AP file photo) Theo Galkin, 8, rereads a favorite part of "Harry Potter and the Sorcerer's Stone" while posing for a picture with his mother Chloe Galkin at their home in South Orange, N.J., Wednesday, June 28, 2017. As the 20th anniversary of the initial publishing of the first Harry Potter book is celebrated this week, another generation is being introduced to Harry, Hogwarts and all the rest of the magical world created by author J.K. Rowling.