Everything from Mark Beaumont!
The Man who Cycled the World
The Man Who Cycled The Americas
Africa Solo: My World Record Race from Cairo to Cape Town
Around the World in 80 Days: My World Record Breaking Adventure
mindboggling stuff and absolutely worth a read!
edit:
There’s also Julianna Buhrings book about her cycling around the word:
This Road I Ride
her Life’s story is really something else