The Avalon Hill Bismarck reference DVD has everything you need -
Game Rules in PDF format
Game charts, Logs, and counters
Variant map & counters
A Search map and Battle map
Everything you need to make your game playable!
BONUS! - we've also included the entire 1962 version of the game also! With Variant Counters!
Plus - A PDF with Avalon Hill General magazine articles in it!
This is a very nice to have addition for the game with scenarios, variant counters, and additional rules, commentary, and discussion.