Sexual crimes and unusual sexual practices : an overview -- Pedophilia and child sexual abuse -- Transvestic fetishism -- Exhibitionism -- Fetishism -- Voyeurism -- Sexual masochism -- Sexual sadism -- Frotteurism -- Rape -- Zoophilia and bestiality -- Sexual harassment -- Necrophilia -- Incest -- Telephone scatologia -- Transsexualism -- Miscellaneous sexual crimes and perversions -- Appendix 1: A comprehensive list of paraphilias -- Appendix 2: Glossary -- Appendix 3: Sexual crimes and unusual sexual practices : a brief chronology.