There are 2 books by D. V. O'Brien on BookOrb. A strong starting point is the three at st. christophers (1950). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has D. V. O'Brien written?
BookOrb lists 2 books by D. V. O'Brien.
Where should I start with D. V. O'Brien?
A good starting point is the three at st. christophers (1950).
What is the D. V. O'Brien books in order list?
In publication order: 1. the three at st. christophers (1950), 2. The Three At St. Christopher's (1956).