This book is more or less the definitive book on functional persistent data structures. More about how to design and reason about them, then a collection book.

This book is more or less the definitive book on functional persistent data structures. More about how to design and reason about them, then a collection book. http://www.amazon.com/Purely-Functional-Structures-Chris-Okasaki/dp/0521663504 http://www.amazon.com/Purely-Functional-Structures-Chris-Oka...