Light up your lava lamp, grab your double-knit flares and get ready to hustle: In the wake of the hits CELEBRATE THE "80s and CELEBRATE THE "90s, PEOPLE harks back to the last decade with a personality. Disco! Pet Rocks! Charlies Angels! Also: The Bee Gees, Donna Summer, Jordache jeans, Margaret Thatcher, Yoda, Rocky, ABBA, jiggle, mood rings, and Mork! A fun reminder for those who were there, and, perhaps, a cautionary tale for their children. (Kids: Two-tone wingtip platform shoes are NOT A GOOD LOOK!)