Online books

• Confession: The Healing Sacrament by Jim Forest
• The Orthodox Faith (4 volume "Rainbow Series" Catechism) by Fr. Thomas Hopko
• Orthodox Christians in North America 1794-1994
• The Rudder (Pedalion)
• The Way of the Ascetics by Tito Colliander
• The Orthodox Church by Bishop KALLISTOS (which edition?)
• Many others available here.
• Patristic texts in available here (in many languages) and here.