When Lucy Brennan, a Miami Beach personal-fitness trainer, disarms a gunman chasing two frightened homeless men, the police and the breaking-news cameras are not far behind and, within hours, Lucy is a media hero. The solitary eye-witness is the depressed and overweight Lena Sorensen, who becomes obsessed with Lucy and signs up as her client - though she seems more interested in the trainer´s body than her own. When the two women find themselves more closely aligned, and can´t stop thinking about the sex lives of Siamese twins, the real problems start...In the aggressive, foul-mouthed trainer, Lucy Brennan, and the needy, manipulative Lena Sorensen, Irvine Welsh has created two of his most memorable female protagonists, and one of the most bizarre, sado-masochistic folies a deux in contemporary fiction. Featuring murder, depravity and revenge - and enormous amounts of food and sex - The Sex Lives of Siamese Twins taps into two great obsessions of our time - how we look and where we live - and tells a story so subversive and dark it blacks out the Florida sun...