Perri O'Shaughnessy is the pen name of the authors Mary and Pamela O'Shaughnessy, sisters who live in Northern California.
Pamela, a Harvard Law School graduate, was a trial lawyer for sixteen years.
Mary is a former editor and writer for multimedia projects.
[1] Their novels have been translated into many languages including Dutch, German, Bulgarian, French, Spanish, and Japanese.
[2] Several have been New York Times bestsellers.