Trouble is coming to the London underworld.

For a job that came out of the blue, this latest gig could keep former Delta Forcer operator Dak Harper in the black for quite a while.

On his way to London to track a crazed former colonel who wants the ex-Special Forces commando dead, Dak is diverted by an urgent request from his employer, a 13-year-old multimillionaire with a passion for antiquities.

Dak’s new assignment? Find the fabled Welsh Crown, a mysterious 13th century artifact that’s been missing for centuries. Whether originally stolen by scoundrel or sovereign, the crown now rests in the grimy little hands of one of London’s seediest would-be gang lords.

The gig sounds easy enough at first—until Dak’s target starts a bloody turf war with a larger, more powerful syndicate.

Suddenly caught in the crossfire of open gang warfare, what Dak hoped would be a simple smash-and-grab now pits him against two bloodthirsty crews who value money far more than human life or priceless antiquities. As the Welsh Crown goes missing yet again amid deadly street battles, Dak worries he might never escape England with his life, much less with his quarry.

You won’t want to put down this latest adrenaline-fueled adventure from USA Today best-selling author Ernest Dempsey. Heavy Lies the Crown is the fourth relentless installment in his fan favorite Relic Runner series. Gifted with a gun, an expert at dispatching criminals, and a living, breathing deadly weapon, Dak Harper is the baddest good guy you’ve ever met.