From Mantic:
First is the rulebook. This is the backbone of the Call to Arms releases – the awesome new rulebook by All Out War designer, Mark Latham. Inside you’ll find all the new rules, seven scenarios and lists for two starter factions (Rick’s gang and The Governor’s Woodbury). MSRP is $19.99.
Just like All Out War, characters in Call to Arms have their own stat cards. This makes it much easier to see their various stats and special abilities – rather than having to flick through a rulebook. If you’re a goody-goody survivor, then you’ll need to pick up the 
Equipment has changed compared to All Out War (to take out some of those particularly nasty combos) and that means it’s time to pick up a new equipment deck to use as a handy reference when creating your gangs. Don’t worry, all the equipment is listed in the rulebook too. MSRP is $19.99.
Fancy starting a new gang? Rick’s Group contains a selection of survivors to get your faction up and running. MSRP is $39.99. Don’t fancy playing as the good guys? The 
One of the terrifying additions to Call to Arms is the concept of the Walker Herd. Although not a threat on their own, if Walkers group together they form a formidable (and almost unstoppable) Herd. This pack includes a selection of Walkers and a 90mm x 60mm movement tray. MSRP is $39.99
