Commentary by Swami Chidbhavananda, 1004 Pages, Hardcover.
This version has a commentary based upon the teachings of Sri Ramakrishna. Sanskrit text, transliteration, Sandhi broken apart, word-for-word meaning, english translation, and notes.
This is the version we use for classes. Its extensive treatment of the Sanskrit verses makes it good for students of Sanskrit as well as students of the Gita. It has a modern commentary, based on Sri Ramakrishna's teachings, which is very practical and useful.