Sea Wolves Solitaire - What´s in the box

About Sea Wolves Solitaire: Battle of the Atlantic 1939-1942, from BoardGameGeek:

Sea Wolves Solitaire - Battle of the Atlantic 1939-1942 is a solitaire wargame that allows players to step into the role of a U-boat commander during the intense Battle of the Atlantic in World War II. Players take on the role of a U-boat commander, leading a stealthy submarine on daring missions to disrupt enemy supply lines and sink valuable cargo ships. The game includes a wealth of historical notes and background information about the U-boats, naval warfare, and significant events during that time. The game is designed to provide a simple and accessible experience, using minimal components, but offers enough decisions to make it enjoyable and challenging for the player. The game includes 8 missions with individual maps and a campaign mode spanning from 1940 to 1942. In the campaign, you can enhance your captain, submarine, and crew as you progress. To play, you will need two six-sided dice, a pencil and an eraser.