Underland is English nature writer Robert Macfarlane’s longest and, by his own admission, deepest and strangest book. It took almost a decade to write. From the remote mountain peaks of his first book,
The Western Isles arch across the north-west coast of Scotland, sheltering the mainland from the North Sea’s fury. In summer there are few places more magical than these islands, which Seton Gordon once described as standing ‘on the rim of the material earth’ looking west to the immortal realm of Tir nan Og.