The Pie Family and All the Cousins: Pies, Tarts, and Everything in Between (or on top of) Pie Crust
Descriptions and defintions of desserts relating to the basic pie: pie and deep dish pie, tart, galette, croustade, flan, free form tart, turnovers, fried pies, tarte tatin and upside down pie, and the classic angel pie.
From PastrySampler.com: The Pie Family and All the Cousins: Pies, Tarts, and Everything in Between (or on top of) Pie Crust