A classic John Buchan story of daring-do and espionage during World War I. A Prince of the Captivity is a 1933 novel by Scottish author John Buchan. It centres around Adam Melfort, a man who weds a young and beautiful socialite that does not return his love. After she forges her wealthy uncle's signature on a cheque, Melfort takes the blame in an attempt to save her family's name. He is subsequently jailed and loses his army commission in the process...