Sefer Kiddush Hachamah (Hebrew only) / ספר קידוש החמה (עברית בלבד)

A comprehensive examination of the bracha of Birkas Hachama, said once every 28 years. Includes: its history, extensive halachic analysis of the nusach of the Seder Birkas HaChamah, minhagim, Divrei Torah from Sages from through the years on Birkas HaChamah, and a detailed, illustrated explanation of the 28 year cycle of the sun's orbit.