I began to think I heard something else than merely the noise of my own of own footsteps . . . the eerie crunch, crunch, sounded behind me, I was seized with terror and took to my heels, staggering blindly among the boulders for four or five miles . . .

Mountaineer and historian Affleck Grey explores one of Scotland's most chilling unsolved mysteries in this acclaimed account of the terrifying figure said to haunt the desolate passes and summit of Britain's second highest mountain.

Over the years countless climbers have either seen or senseed the presence of something extraordinary in the misty wilderness of Ben Macdhui in the Cairngorms. But what have they really experienced? A trick of the light or some Yeti-like monster? This book examines the evidence and also looks at similar stories from elsewhere in the world to try and make sense of this bizarre and spine-chilling phenomenon.