Publisher: Kehot Publication Society
Author: Rabbi Dovber Schneerson, the Mitteler Rebbe
Format: 6" x 9" Hardcover 380 pages
Written by the second Lubavitcher Rebbe, Shaarei Orah which is considered the "Aleph Bet of Chasidus," explains many basic concepts of Chabad Chasidus.
The text is divided into two sections, one on Purim and one on Chanukah.