Orthodox Faith, The, vol. I: Doctrine;

This popular series by Fr Thomas Hopko on the Orthodox Faith is intended to provide basic, comprehensive information on the faith and life of the Orthodox Church for the average reader. It consists of four handbooks.

Volume I on Doctrine contains three sections: the sources of Christian doctrine, the main doctrines of the Orthodox Church presented by way of commentary on the Nicene Creed, and an explanation of the doctrine of the Holy Trinity.