 This deals with the air war occurring during the Sabbat Worlds Campaign (the setting for Abnett's "Gaunt's Ghosts" novel series).It has a Battle of Britain flavour; many of the concepts elucidated in the Aeronautica rules can be seen in Abnett's writing.In late 2007, Forge World released Tactica Aeronautica, a collection of extra rules, new aircraft and scenarios for the game.