There are 1 book by Dean O'Brien on BookOrb. A strong starting point is They Came from Rubbish (2020). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Dean O'Brien written?
BookOrb lists 1 book by Dean O'Brien.
Where should I start with Dean O'Brien?
A good starting point is They Came from Rubbish (2020).
What is the Dean O'Brien books in order list?
In publication order: 1. They Came from Rubbish (2020).