ED LACY (August 25, 1911 - January 7, 1968), born Leonard "Len" S. Zinberg, was an American writer of crime and detective fiction. Lacy, who was white, is credited with creating "the first credible African-American PI" character in fiction, Toussaint "Touie" Marcus Moore. Room to Swing, his 1957 novel that introduced Touie Moore, received the 1958 Edgar Award for Best Novel.
LESLIE S. KLINGER is the two-time Edgar® winning editor of New Annotated Sherlock Holmes and Classic American Crime Fiction of the 1920s. He has also edited two anthologies of classic mysteries and, with Laurie R. King, five anthologies of stories inspired by the Sherlock Holmes Canon. Klinger is the series editor of Library of Congress Crime Classics, a partnership of the Library of Congress and Poisoned Pen Press/Sourcebooks. He is a former Chapter President of the SoCal Chapter of the Mystery Writers of America and lives in Malibu, California.