Slap down a dozen duckadoodleroonies and get yourself a copy of CBJN. Then, you can sit back and see who's got what all over North America. This is info that BJ21 pays lots of money to lots of reporters to actually go into the casinos in person and see what's there.
And you get it all for two red chips and two slot coins.
Besides rules you get an idea of penetration, the number of tables and the bs house edge on each game. You can find surprises, places known for weak games but might have 40 tables with 38 bad games and 2 good games. They point out things like the fake DD games and CSM's. You can save tons of shoe leather and time in Vegas by knowing which places to go to and which places to pass on. The organizational value can save you hours alone. Definately a positive EV purchase before going to a location with multiple casinos.