**Pre-order the gripping new thriller from the bestselling author of Breathless, based on her own extraordinary ultra-running experience**
It-s the ultimate test of endurance: two-hundred-and-fifty miles in the brutal heat of the Sahara, with only the supplies you can carry on your back.
Adri is ready. Returning to ultra-running in the wake of a scandal, she needs to prove to herself - and her young son - that she-s a winner.
When a fellow runner is badly injured, Adri knows something isn-t right. Yet in a race this extreme, even a dead body can be explained away.
But there-s a killer stalking the hot sand. And the problem with running faster than everyone else, is that you-re miles ahead of anyone who can save you...
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PRAISE FOR AMY MCCULLOCH
''Amy McCulloch is the queen of the adventure thriller!'' - CLAIRE DOUGLAS
''Enthralling... She has an eye for edgy and unusual settings....''
