The Philokalia the complete text 
Nicodemus,of the Holy Mountain,Saint,approximately 1748-1809.
Makarios,Saint, Metropolitan of Corinth,1731-1805.
Palmer, G. E. H.(Gerald Eustace Howell)
Sherrard, Philip.
Ware, Kallistos.
London Faber,
1979
Includes index
Prayer