Peirush HaBerachot V’HaTefillot – known by the name of its author, as Sefer Avudraham , by Rabbeinu David Avudraham – one of the most prominent Rishonim . HaMechokek Dtolan Provincial Press. Constantinople, 1514. Early (second) edition of this important work – post-incunabula. Avudraham was the earliest, most fundamental book on prayer customs and their sources, the traditions and laws of the text of prayers and blessings. The book was well-received across all Jewish communities as the most authoritative source on matters related to prayer. It has the highest literary value of all books written on this subject ( Encyclopedia Otzar Yisrael ). Originally: 99, [1] leaf. This copy: 7-53 leaf. 28 cm. Fine condition. Aging stains. Slight tears in the margins of several leaves, without damage to text. Not bound.