There are 3 books by Declan O'Sullivan on BookOrb. A strong starting point is Rage of a New Ancestor (2011). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Showing 1 of 3 titles.
Frequently asked questions
How many books has Declan O'Sullivan written?
BookOrb lists 3 books by Declan O'Sullivan.
Where should I start with Declan O'Sullivan?
A good starting point is Rage of a New Ancestor (2011).
What is the Declan O'Sullivan books in order list?
In publication order: 1. Rage of a New Ancestor (2011).