This dynamic in-universe book takes fans inside the world of the Ghostbusters like never before.Tobin's Spirit Guide is a comprehensive supernatural encyclopedia used by our heroes to research ghouls and ghosts.For the first time, this fully illustrated tome allows fans to pore through the pages of this legendary guide to the things that go bump in the night, from all classes of ghosts, including class 5 free-roaming vapors, to giant sloars!