Modiphius Entertainment presents the John Carter of Mars Collectors Slipcase set. Contained within the wonderfully illustrated slipcase you'll find the John Carter of Mars: Adventures in the Dying World of Barsoom core rulebook and the Phantoms of Mars campaign book; Everything you need to take on the role of heroes as you travel, battle, and romance your way across the wondrous and dangerous world of Barsoom. Core rulebook: 288 page, full color, landscape hardback book with everything you need to play the game with the 2d20 System rules, and introduce new players to the world of Barsoom. Campaign book: 128 page, full color, landscape hardback book with a complete campaign for the John Carter of Mars roleplaying game, including rules for a miniatures skirmish game. Uses a pulp-action, narrative driven version of the 2d20 system with a character generation system designed to create diverse and unique heroes.