Ordained in 1974 at the age of 24, Ajahn Pasanno was one of the first residents at Ajahn Chah’s renowned international monastery—Wat Pah Nanachat. Ajahn Pasanno became its abbot in his ninth year, leaving 14 years later to lead Abhayagiri Monastery in California together with Ajahn Amaro. In 2010 he became the sole abbot there, retiring in 2018. You can find his teachings on the forest sangha website and at abhayagiri.org.
~ Adapted from the Wikipedia article
A compendium of ‘essence’ teachings on nibbāna, as they appear in the Pāli Canon and in contemporary traditions. My most highly recommended book for anyone who wants to know what Nibbāna is.