“Keys to the Ultimate Freedom” by Lester Levenson a compilation of Lester’s teachings.
“Silence of the Heart” by Robert Adams a compilation of Robert’s teachings.
“Consciousness is All” by Peter Francis Dziuban (ahora en español)
“Atma-Darshan” by Sri Atmananda Krishna Menon
“Atma-Nivritti” by Sri Atmananda Krishna Menon