Ephemeral Influence breaks down the mechanics of the Influence system. The book does an exceptional job of presenting what was possible at each rank. The book goes into details of wide variety of influences offering rules, Tilt suggestions and multiple options for each rank. The book also give mechanics for how some other gamelines can gain Influences, covering Mortals,, Vampires, Werewolves, and Mages.
Overall the Tabletop Gaming Club found this book quite good, and strongly recommends that players pick up a copy.
[5 of 5 Stars!]