Christopher Logan discusses and signs ‘dr.a.g’ at Book Soup. Drag has become a diverse form of expression that challenges, entertains, and educates by pushing boundaries, while embracing beauty, comedy and glamour. The performers in this book are evidence of that diversity, captured by some of the top photographers working in today’s world. Sunday, July 20 at 3 p.m. with special guests Miss Barbra Q and Tammie Brown and photographers from the book: Magnus Hastings, Ninon Nguyen, and William Dick.