2nd MMP edition Reprinted ASL Advanced Squad Leader system rules book in a 3-ring binder. Only change to this edition is a redesigned notebook cover. Necessary to play any of the ASL modules. This edition includes plentiful examples of play, chapter E (night, weather, boats, planes, skis, convoys, etc), chapter K (training manual), expanded index, off-board artillery & vehicle overrun charts from Action Paks 1 & 2, plus night fighting aids from Pegasus Bridge. '07