The 40th anniversary edition includes these new components: -- Translator's Preface: Chronicling the reception and evolving influence of Halakhic Man since its original release in the Jewish world and in Jewish thought. -- Translator's Introduction: Understanding Halahkic Man in the context of Soloveitchik's evolving thought and in comparison/contrast to his other works. -- Glossary: Elucidating key terms and ideas used by Soloveitchik, from A priori/a posteriori and Antinomy and Antithesis to Tertian Quid and Transcendental Method, defined and additionally often contextualized by way of Soloveitchik's usage of the terms in Halakhic Man. -- Translator's Notes: Highlighting key ideas and phrases in Halakhic Man and comparing/contrasting those to Soloveitchik's thinking in other volumes; explaining the talmudic and other teachings underlying Soloveitchik's thought in particular sentences and phrases, including his use of word play; and shining light on more obscure ideas (rather than terms per se, addressed in the Glossary) throughout the volume. -- List of Errata: Notating errors, mostly typos, in the original typesetting printing, in sequential order. -- Bibliography: A comprehensive Bibliography that encompasses 1. a separate full listing of all of Soloveitchik's works, and 2. all other works referenced both in the original Halakhic Man and in all the new sections of this 40th anniversary edition.

-- Index of Sources: A considerably more comprehensive Index of Sources which now also appears within the 40th anniversary edition rather than separate from it, and now including for example, Maimonides' Book of Commandments , Maimonides' Commentary on the Mishnah, Rashi's Commentary on the Torah, Rashi's Commentary on the Talmud, Rashbam, Tosafot, Nahmanides' Critical Glosses on Maimonides' Book of Commandments, Nahmanides' Commentary on the Torah, Rabbi Shneur Zalman of Lyady's Likkutei Torah, Rabbi Hayyim Volozhin's Nefesh ha-Hayyim, and more. -- Index of Names and Subjects: Expanded to include all of the names and subjects in the entire 40th Anniversary Edition in addition to those in the original Preface and Halakhic Man text.