Proceedings of Jewish Law Association international colloquium held at Boston in 2004. The 15 papers range cover historical, comparative, philosophical and dogmatic aspects of the history of Jewish law. Topics include biblical law, divine justice (Warhaftig), denominational differences (Dorff), military ethics (Broyde), sexual offences (Burnside), Yael wife of Hever (Elgavish), Traditio Clavium and Roman law (Kleinman), Alfasi, Sugyan and Authority (Levy), Role of the judge (Rabinovich), Contract law including good faith (Resnicoff), Commercial contracts and cancellation of contracts (Rivlin), Ritual and culture (Rosenak), Rodef and self-defence in the Talmud (Shapira), Organ sales in Jewish and Israeli law (Wygoda), birth of Jesus - spiritus ex machina (Zaas).