Beat em ups are a complicated kind of game and need very strict instructions to ensure you have the most possible fun. Of cousre, Most beat em ups have a story so naturally the booklet will have one too. This will usually contain some kind of japanese story in which people seek revenge on someone else. You then have a list of the characters and all their special moves which you will need to win in some of the latter battles of the game. YOu will then sometimes have a massive list of moves for every character which will help, but be careful you have to perfect these moves before you try them and get mullered! Of course there is safety stuff and a notes section in the back. Have fun with those bookelts they really are worth reading!