A Most Helpful Edition
I have many copies of this spiritual classic in my home library, but this is the edition that I will stock for our parish book table, given that it provides on facing pages an array of wonderful annotation/explanation for the catechumen and/or the Orthodox-interested seeker. This parallel commentary also provides a wonderful cross-reference between the Pilgrim's journey and the larger tradition of Eastern Christianity, including the writings of the early Fathers and Mothers of the Church.