"John Milbank's Reverberating Bombshell"— Hans Boersma
Start here. Dr. Boersma provides a very brief sneak peek into the importance of Milbank's work (and Boersma's own journey interacting with Radical Orthodoxy).
This article is a concise summary of Christian Platonism, the set of philosophical commitments guiding much of the work of both Dr. Boersma and Dr. Milbank.
"John Milbank: A Guide for the Perplexed"—Peter Leithart
If you'd like an insightful overview of Dr. Milbank's work, check out this helpful introduction by a former student of Dr. Milbank's.
Theology and Social Theory—John Milbank
The masterpiece that started it all. Be ready for a tough but unforgettable read. Times Literary Supplement called it "a dense, challenging and elusive masterpiece of a book."