The bestselling author of SALMON FISHING IN THE YEMEN returns with a Buchan-esque thriller.

Traumatised by a tour of duty in Iraq, Richard Gaunt returns home to his girlfriend with very little of a plan in mind. Finding it difficult to settle into civilian life, he turns to drink and gambling - and is challenged to a bet he cannot resist. All he has to do is walk from London to Oxford in under twelve hours.

But what starts as a harmless venture turns into something altogether different when Richard recklessly accepts an unusual request from a stranger ...