Michael Dirda, a weekly book columnist for The Washington Post, is the author of the memoir An Open Book and of four collections of essays. His latest book, On Conan Doyle, won the 2012 Edgar Award for the best biographical/critical work of the year from the Mystery Writers of America. A lifelong fan of the Sherlock Holmes adventures, Dirda belongs to The Baker Street Irregulars. On Conan Doyle is a personal introduction to Holmes's creator, as well as an insider's account of the activities and scholarship of The Baker Street Irregulars. Dirda is a frequent contributor to several literary journals and periodicals, as well as an occasional lecturer and college teacher. He received the 1993 Pulitzer Prize for criticism.