TOP #6
TOP #7

Design Patterns: Elements of Reusable Object-Oriented Software

Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides
TOP #8
TOP #14

Head First Design Patterns: A Brain-Friendly Guide

Eric Freeman, Bert Bates, Kathy Sierra, Elisabeth Robson
TOP #16

Learning WCF: A Hands-on Guide

Michele Leroux Bustamante
TOP #18
TOP #19