Jason Starr is the internationally bestselling author of many crime thrillers, including Tough Luck, Twisted City, and The Follower, and his books have been published in over a dozen languages. He has also co-written several novels with Ken Bruen for Hard Case Crime, and his work in comics for Marvel, DC, Vertigo, and Boom! Studios has featured Wolverine, the Punisher, Batman, Doc Savage, and Justice Inc. Many of his books are in development for film and television. Starr has won the Anthony Award for mystery fiction twice, as well as the Barry Award. He was born in Brooklyn and lives in Manhattan.

Ken Bruen is one of the most prominent Irish crime writers of the last two decades. Born in Galway, he spent twenty-five years travelling the world before he began writing in the mid 1990s.