Modiphius Entertainment presents the Phantoms of Mars campaign book for John Carter of Mars: Adventures on the Dying World of Barsoom, a science-fantasy roleplaying game, from the mind of Edgar Rice Burroughs, that uses a pulp-action inspired variant of the 2d20 System. Uncover the nefarious conspiracy of the mysterious organisation known as the Eidolon as you adventure your way across Barsoom to save the people of the dying planet. Phantoms of Mars will take your heroes on a journey full of pulp-action, intrigue and heroism as they race to uncover the Eidolon conspiracy and see just how far it has spread. A 128 page, full colour, landscape hardback book with a complete campaign arc for the John Carter of Mars roleplaying game. Detailed narrators section with information on key characters, plots and advice on how to run and insert the campaign into existing games. Also includes the Swords of Mars 2d20 Skirmish rules for use with the John Carter of Mars miniature collection.