Reading a Repairman Jack novel seems, at times, a guilty pleasure; it's astonishingly easy to inhale the pages, like eating potato chips. A firm-jawed Mr. Fixit hero with a cryptic past--crunch! Crimes that go beyond (way, waaay beyond) the norms of traditional law--smack! A liberal sprinkling of screwball comedy and nasty supernatural beings--now that's tasty! Good, crispy fun, indeed. But F. Paul Wilson's tight plotting and appealing characters manage to elevate potato chips to the realm of haute cuisine (or at least a satisfyingly solid meal), and his latest, All the Rage, is no exception. Everything's rosy when Nadia Radzminsky takes a dream research job at GEM Pharmaceuticals: she'll be working for her professional idol, Dr. Luc Monnet; her fiancé is one of GEM's top salespeople; she's got all sorts of high tech toys to play with; and she'll get a million-dollar bonus if she can just figure out how to stabilize GEM's most promising molecule (dubbed, ominously enough for students of Norse mythology, Loki). But clouds quickly appear on the horizon in the form of Milos Dragovic, a Serbian mobster with a short fuse, a big wallet, and a profound interest in Loki's future. Nadia suspects Milos is blackmailing her boss, and she hires Jack to find out what's going on. What Jack finds out isn't pretty: Loki is leading an underground life as Berzerk, a hot, new street drug that brings out the user's most aggressive beha