PAPERBACK. Zustand: Very Good. 3rd edition. 142pp, small octavo in orange cover wraps; minor uplift and crease top front fore-edge corner, 1/4" closed tear top front cover otherwise covers remain clean, tight binding, addendems stapled to pgs.70 and 71, text clean throughout, Very Good-. On the title page: "This edition supersedes all previous editions. All copies of the preceding editions should be destroyed by burning. These instructions must be burned or sunk, before it is possible for them to fall into the hands of an enemy.".