Unpublished for 90 years, Agatha Christie's extensive and evocative letters and photographs from her year-long round-the-world trip to South Africa, Australia, New Zealand, Canada and America as part of the British trade mission for the famous 1924 Empire Exhibition.

Unpublished for 90 years, Agatha Christie's extensive and evocative letters and photographs from her year-long round-the-world trip to South Africa, Australia, New Zealand, Canada and America as part of the British trade mission for the famous 1924 Empire Exhibition.