The Brompton Book , now in 2nd edition, by David Henshaw..
included a history chapter..
https://www.bikesheduk.com/brompton-...d-edition-book
You might be looking at a bookshelf, on the topic, rather than 1 big glossy..
https://designmuseum.org/whats-on/ta...-world-by-bike
is a book in hardback published by Brompton UK.. who sponsored Heinz in his later years of touring..
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