Paul Adam has written eleven critically-acclaimed thrillers, including Unholy Trinity, Shadow Chasers, Genesis II, Flash Point (U.S. title, Oracle Lake), Sleeper (U.S. title, The Rainaldi Quartet), Enemy Within, Knife Edge and Paganini's Ghost. He is also the author of the award-winning Max Cassidy series of thrillers for younger readers. He lives in Sheffield with his wife and two sons.