Alex Gerlis is a British author of crime fiction. He is best known for his series of novels featuring Detective Inspector David Brock and his sidekick Kathy Kolla. Gerlis has been writing since the early 1990s and has published several novels, including The Diamond Cat, The Burning, The Hanging Tree, and The Killing Edge. He has also written several short stories and contributed to various anthologies. Gerlis is a member of the Crime Writers' Association and the International Association of Crime Writers. He is a passionate advocate for the rights of crime fiction authors and has been a guest speaker at numerous literary events. His work has been praised for its intricate plotting and vivid characters.