John Dunning (1942-2023) revealed book collecting's most shocking secrets in his bestselling series of crime novels featuring Cliff Janeway: Booked to Die, which won the prestigious Nero Wolfe Award; The Bookman's Wake, a New York Times Notable Book; and the New York Times bestsellers The Bookman's Promise, The Sign of the Book, and The Bookwoman's Last Fling. He also wrote the Edgar Award-nominated Deadline, The Holland Suggestions, and Two O'Clock, Eastern Wartime. An expert on rare and collectible books, he owned the Old Algonquin Bookstore in Denver for many years.