A topical and complete examination of the phenomena of paedophilia starting with a historical overview and then proceeding to a psychoanalytic examination of its structure and treatment. Contents include: Social and cultural aspects fostering paedophilic behaviour; Myth and paedophilia, Paedophilic fairy tales and fables; The pederast relationship in Classical Greece; Paedophilia in the Middle Ages, Paedophilia in medical and psychiatric thought, Psychoanalysis and paedophilia; Contributions to the definition and typology of paedophilic personalities and behaviours through fiction; The paedophilic relationship; A case of paedophilic perversion; A case of paedophilic perversity; The work group.