Diary of a postman.
Letters to and from Darwin in the immediate aftermath of the publication of ‘On the Origin of Species’.
A year in the life of a Scottish bookseller.
A thought diary.
How small experiments led to a big theory.
Voyage in the Malay Archipelago and the discovery of evolution by Wallace and Darwin.
Tales of the flesh in the age of decorum.
A long-overdue biography of the Victorian scientist, mountaineer, and public intellectual.
A magnificent two-volume biography.
The Pattern of Friendship.