The discovery of thousands of empty abalone shells and two murdered divers sends Lieutenant John Marquez's poaching investigation in a newand very riskydirection. Former DEA agent and now head of a special operations unit of the California Department of Fish and Game, Marquez learns he himself has been targeted as the next victim. Stalking him is Kline, a vicious drug smuggler turned abalone poacher who has a vendetta against Marquez. John Marquez is supposed to protect wildlife, not solve murders, but the only way he can break the multi-million-dollar abalone-smuggling ring, as well as save his own life, is to find and stop Kline. A fast-paced crime novel set along the majestic Northern California coastline, Shell Games introduces a tough, complex, and appealing hero and a masterful new series.

Former DEA agent John Marquez brings gritty investigative techniques and a clouded past to his role as head of a special operations unit of the California Department of Fish and Game. In the second thrilling case of this masterful series, Marquez and his team's cover is blown, leaving him caught between a ruthless band of bear poachers, a corrupt local game warden, and a county detective obsessed with a murderer-at-large. Meanwhile, Marquez's own fragile family is left wide open to mortal danger.

Named one of the top ten crime novels of 2005 by the American Library Association, Deadgame marks the return of "far and away the most inventive new detective hero" ( Booklist ). Ex-DEA agent John Marquez, now head of the undercover unit of the California Department of Fish and Game, is closing in on sturgeon poachers, whose highly profitable caviar trade is backed by the Russian mafia. When his key confidential informant disappears, Marquez follows the trail directly into the middle of a deadly FBI operation and a web of conflicting loyalties. Newly released in paperback, this fast-paced, compelling, and vivid ecothriller pushes the tough-but-sensitive Marquez to the limit.

Fourth novel in the highly-acclaimed John Marquez crime series - Eighteen years ago, Special Agent John Marquez was forced to watch as his informant, Billy Takado, was gunned down, the victim of a set-up by criminal mastermind Emrahain Stoval. In the fallout from the affair, Marquez lost his job. Now, working for California’s Department of Fish and Games, John is contacted by a former colleague. Ted Desault is determined to take Stoval down, but to do that, he needs Marquez’s help . . .

John Marquez is back - but his mission is the same: shut down animal traffickers. Still attached to the California Fish & Game's Special Operations Unit, it's the open, unsolved investigations that now land on his desk. Then a tip call comes which reveals the location of a gun used to kill two young women camping along the Klamath River two years ago. At the same time, Marquez is on the hunt for a notorious animal trafficker known as Rider, who's rumoured to have a hideout in mountainous northern California. The subsequent discovery of thousands of invasive northern pike triggers a cascade of clues and questions that draws Marquez away from his pursuit of Rider. Or do they? Is there a connection? When a Siskiyou County investigator and an ambitious sheriff question Marquez's interest in the murders of the two women and his relentless presence in the remote northern county, the stakes rise ever higher - and the way forward is fraught with risk.