Swinging, swapping, dogging, threesomes, soft-swaps, group sex, and full-blown orgies. Everybody has heard about them. Everyone knows someone who knows someone who was rumoured to.... But who is really doing it? How? Where? Why? What's it like? And what really happens? Ashley Lister, a freelance writer, author, and reporter, uncovers today's swinging Britain and reveals the sexy, shocking, and true secrets of what happens behind closed doors.