This is an audiobook of Bodhi Leaves No. 149 "In the Presence of Nibbāna" by Ajahn Brahmavamso, found in the Pariyatti Edition of Collected Bodhi Leaves Vol. V as well as at BPS as a free eBook download.
This Bodhi Leaf is an essay on the path, and the qualities, that lead to Nibbana. Ajahn Brahmavamso is a senior western monk of the Forest Tradition who lives and teaches in Australia.
