Patrick Leigh Fermor: An Adventure by Artemis Cooper John Murray, 2012, 448 pages, $50 The English have produced many great travellers. One thinks of men like Thomas Coryat (c 1577–1617) whose Coryat’s Crudities can be said to have founded the later fashion for the Grand Tour. Soon after came the likes of John Evelyn, observing events at Rome in the 1640s. Long before that came English Crusaders and Pilgrims to the Holy Land, then sea-going explorers to the ends of the earth and later, those who served in the most distant outposts of a far-flung empire. In the twentieth century,…