There are 3 books by Richard J. O'Brien on BookOrb. A strong starting point is The Babel Codex (2001). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Richard J. O'Brien written?
BookOrb lists 3 books by Richard J. O'Brien.
Where should I start with Richard J. O'Brien?
A good starting point is The Babel Codex (2001).
What is the Richard J. O'Brien books in order list?
In publication order: 1. Georgetown University Round Table (Gurt on Languages & Linguistics : Linguistics Dev of the 60's Viewpoint for the 70's) (1971), 2. The Babel Codex (2001), 3. Antichrist Blues & Other Tales (2001).