For a monk who lives in the Sinai desert in Egypt, in the world's oldest working monastery, Father Justin replies to emails very speedily
It should come as no surprise: the Greek Orthodox monk is in charge of hauling the library at St Catherine's into the 21st Century
This ancient collection of liturgical texts, including some of the earliest Christian writing and second in size only to the Vatican, is going to be made available online for scholars all over the world.