Depths of Courage volume 9 is a solitaire game on the Italian mini-sub attack on Alexandria Harbor. The active player takes on the role of the commanders of the three, two-man crew S.L.C. (Siluro Lenta Corsa) Maiale (Pig) class mini-submarines. You must endeavor to overcome the Allied defenses and night-time visibility to inflict as much damage as possible before being killed, captured or escaping. Each copy of Depths of Courage volume 9 is composed of the following: One 11 by 17 point-to-point map 20 double sided, un-mounted counters 6 pages of rules with designer notes and bibliography Players will also need a standard deck of playing cards (a custom card set for the entire series of games is available) and six sided die to play the game.