There are 1 book by Allyn O'Callaghan on BookOrb. A strong starting point is Blutstein (2018). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Allyn O'Callaghan written?
BookOrb lists 1 book by Allyn O'Callaghan.
Where should I start with Allyn O'Callaghan?
A good starting point is Blutstein (2018).
What is the Allyn O'Callaghan books in order list?
In publication order: 1. Blutstein (2018).