Originally Posted by
zarlor
Marshal's Handbook isn't Savage Worlds Adventure Edition, it's from Deadlands Reloaded. The former is the main rules system whereas the latter is a setting using that rules system as its basis. So essentially you would need both to play Deadlands. That being said it is possible that Deadlands MIGHT need to use the older SWD (Savage Worlds Deluxe) rules for its basis, but maybe some other Deadlands aficionados could provide insight into their experiences with using Deadlands with SWADE.