Robert B. Parker was the author of seventy books, including the legendary Spenser detective series, the novels featuring police chief Jesse Stone, and the acclaimed Virgil Cole/Everett Hitch Westerns, as well as the Sunny Randall novels. Winner of the Mystery Writers of America Grand Master Award and long considered the undisputed dean of American crime fiction, he died in January 2010.

Alison Gaylin is a USA Today and international bestselling author whose novels have won the Edgar and Shamus awards. Her work has been published in numerous countries and has been nominated for numerous awards, including the Macavity, Anthony, ITW Thriller, and Strand Book Award.