Markides essentially returned to his Orthodox Christian roots of childhood, centering his latter books around conversations with Fr Maximos when he got posted to Cyprus to be an Abbot, and then later to be Bishop and Metropolitan.
Markides visited him there many times, and also returns to Mt Athos, the great monastic centre of North Greece where 2,500 monks reside.
Markides has also given lectures and workshops around the United States, Canada and other countries as well as appearing on US television and being interviewed by radio stations, newspapers and magazines.
There is a fairly wide-ranging interview in two parts with Kevin Allen of Ancient Faith Radio available online [2] as an audio download or transcript.
In his earlier books Markides seems content to see any psychic phenomenon as of interest and value in itself and is also quick to draw (apparent) parallels between different religions or to gesture towards "the perennial philosophy".