The Temple of the Spirit

The Conceptual Framework Of Quantum Field Theory

The Forgotten Faith

A New Heaven and a New Earth

Faversham's Dream

A Little Book of Celtic Prayer

The Sword in the Sun

Celtic Christianity (The "Elements of..." Series)

The Lord of the Dance

Mind of Christ

Constructing Quantum Mechanics, Two-Volume Pack : Volume 1 : the Scaffold : 1900-1923, Volume 2 : the Arch