Swimming with Dr Johnson and Mrs Thrale challenges the popular image of Samuel Johnson as a man who favoured energetic discussion over physical exercise, enthroned in an armchair peering short-sightedly at a book. Thanks to the diarist and author Hester Thrale we have many anecdotes that connect Dr Johnson to a variety of sports, and Julia Allen, following Lytton Strachey's advice to attack her subject in unexpected places, uses entries from Dr Johnson's dictionary and anecdotes about the great man as her window into the world of eighteenth-century sport and exercise.

Revealing a...