Ace, New York, 1972, 2nd pr.  ISBN 0-441-76088-0.  MMPB, 230 pages.  Light edge and cover wear, no discernible reading creases; binding tight.  Interior clean and unmarked with tanning pages.  ‘When you are Sir Lafayette O’Leary – knighted, rich, happily married, just the least bit bored – it comes as something of a shock to discover that you are commonly considered a coward, a rogue – in general, a louse of doubtful courage, dubious morals, and offensive social habits.  But what’s even more shocking is to meet the other Lafayette O’Leary, the total stranger with your own face, the man responsible for your sudden downfall – and the man who would like nothing better than to see you conveniently dead….’ (from rear wrap)