Part I. Bi ways: culture, politics, history. Bi words ; Bi sexual politics ; Fatal attractions ; No scandal in Bohemia ; Bisexuality and celebrity

Part II. Bi-ology: science, psychoanalysis, psychomythology. The secret of Tiresias ; Freud and the golden Fliess ; Androgyny and its discontents ; Ellis in Wonderland ; Standard deviations ; The return to biology ; On the other hand

Part III. Bi laws: institutions of "normal sex". Normal schools ; Erotic education ; "It's a phase" ; Family values ; Marriages of inconvenience

Part IV. Bi sex: the erotics of the third. Erotic triangles ; Jealousy ; The bisexual plot ; Threesomes ; Vice verses.