Everyone knows who the Spice Girls Are. Posh, Sporty, Baby, Scary and Ginger collectively became the most famous pop trademark of the 1990s. For a while they were the biggest-selling act on planet pop, while each of them - Victoria Beckham, Melanie Brown, Emma Bunton, Melanie Chisholm and Geri Halliwell still automatically commans front page/cover feature status in her own right. Yet despite the acres of newsprint devoted to their comings and goings,...