There are 1 book by M. O'Bryan on BookOrb. A strong starting point is Yosemite Intrigue (2017). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has M. O'Bryan written?
BookOrb lists 1 book by M. O'Bryan.
Where should I start with M. O'Bryan?
A good starting point is Yosemite Intrigue (2017).
What is the M. O'Bryan books in order list?
In publication order: 1. Yosemite Intrigue (2017).