The Koren Rosh Hashana Mahzor with commentary is an all-Hebrew mahzor designed to enhance one’s tefilla by providing a clear, straightforward explanation of the tefillot, piyutim, and Torah readings. The mahzor includes a halakha guide to Rosh Hashana and commentary on Tractate Rosh Hashana by Rabbi Adin Steinsaltz. The entire text and instructions are in Hebrew.