The Philokalia, Volumes 1-4

"A collection of texts written in Greek between the fourth and 15th centuries by spiritual masters of the Orthodox tradition. Compiled in the 18th century and first published in Venice in 1782, it has had a profound influence on the spiritual life of the Eastern Churches,"---Theology Digest. On the Jesus Prayer, the passions, deification, and more. 1626 pages total, four softcovers. Faber & Faber.