There are 1 book by Kari O'Brien on BookOrb. A strong starting point is How Not to Train for a Marathon (2015). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Kari O'Brien written?
BookOrb lists 1 book by Kari O'Brien.
Where should I start with Kari O'Brien?
A good starting point is How Not to Train for a Marathon (2015).
What is the Kari O'Brien books in order list?
In publication order: 1. How Not to Train for a Marathon (2015).