There are 2 books by Caitlin O'Bryan on BookOrb. A strong starting point is Penny's Prom Dilemma (2000). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Caitlin O'Bryan written?
BookOrb lists 2 books by Caitlin O'Bryan.
Where should I start with Caitlin O'Bryan?
A good starting point is Penny's Prom Dilemma (2000).
What is the Caitlin O'Bryan books in order list?
In publication order: 1. Penny's Prom Dilemma (2000), 2. Tarnished Dream (2001).