Pre-order the electrifying new adventure in the Sunday Times bestselling series - in which Orphan X faces his most challenging mission ever . . .

THE HEROEvan Smoak: former off-the-books assassin - code name Orphan X. His world is divided into those who deserve his help and those who've brought his singular brand of justice upon themselves. THE VICTIMA desperate father reaches out.

His teenage daughter Anjelina has been kidnapped by a brutal criminal cartel and spirited over the border into Mexico. And while money is no object, Evan soon realises that his prospective client's past is as clouded and compromised as his own. THE MISSIONIf Evan is going to put his life on the line to rescue Anjelina, he must first decide whether he can act on behalf of a bad man.

And even then, up against the men who are holding his daughter, there will be no guarantee of success... Packed with edge-of-your-seat suspense, memorable characters, explosive action and razor-sharp plotting, Dark Horse confirms Gregg Hurwitz's place alongside Lee Child, David Baldacci, James Patterson and Harlan Coben as a master of the modern thriller. 'Gregg Hurwitz has outdone himself with Dark Horse.

Readers will get whiplash . . .

The action strikes like lightning.' - Luis Urrea, Pulitzer finalist for The Devil's HighwayPraise for the Orphan X series'Feels like a missile launch' DAVID BALDACCI'A stellar series, and the stories get better with each instalment' DAILY MAIL'Outstanding in every way' LEE CHILD'Weapons-grade thriller writing' GUARDIAN'A stellar series, and the stories get better with each instalment' DAILY MAIL'An immensely entertaining adventure' THE TIMES