 It had a resurgence in popularity with RAF pilots during World War II because of its accurate descriptions of air warfare.The book was reissued with a new preface and a tribute by Henry Williamson in 1961 (it was Williamson who encouraged Yeates to complete the book after World War I).It was reprinted in 1972 in paperback by Richard Clay (The Chaucer Press) Ltd., and republished in paperback in 2004.