You could check the following books
The art of travel by Alian de botton
Land of lost borders a journey on the Silk Road by Kate Harris
Blue highways a journey into America by William Least Heat Moon
Vagabonding an uncommon guide to the art of long term world travel by Rolf Potts
On the road by Jack Kerouac
The beach by Alex Garland
Along the Ganges Ilija Trojanow