Finding a drug that would stick was akin to climbing a sheer cliff with no cracks.

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Unlike the heroes of the book, however, Miss Lovett did not scale a sheer cliff and dispatch her enemies with skilful swordsmanship in order to win what was rightfully hers.

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On day three, after about 60km of riding, we crossed the 3, 900m-high Tosor Pass, where a sheer cliff of ice and snow gave way to a narrow corridor with the shimmering Kerege-Tash Valley below.

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That, at any rate, is the belief of the Faeroese hardy and tenacious folk whose favourite delicacy, puffin chicks, can only be procured by dangling on a rope hundreds of feet below a sheer cliff-top and robbing the nests of unfortunate seabirds.

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On one side of this huge rock is a sheer 200-foot cliff.

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It is a relatively straightforward 10.9km hike, taking around three days round trip, but there is a great range of scenery to enjoy, from dense forests of dark fir to mustard coloured grassy slopes to sheer cliff walls with crinkled boxfold rock formations.

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