There are 1 book by Robert Viking O'Brien on BookOrb. A strong starting point is Savage nations (1992). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Robert Viking O'Brien written?
BookOrb lists 1 book by Robert Viking O'Brien.
Where should I start with Robert Viking O'Brien?
A good starting point is Savage nations (1992).
What is the Robert Viking O'Brien books in order list?
In publication order: 1. Savage nations (1992).