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Head First Design Patterns by Kathy Sierra, Bert Bates, Elisabeth Robson, Eric Freeman

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Appendix B.  

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And now, a final word from the Head First Institute...

Our world class researchers are working day and night in a mad race to uncover the mysteries of Life, the Universe and Everything–before it’s too late. Never before has a research team with such noble and daunting goals been assembled. Currently, we are focusing our collective energy and brain power on creating the ultimate learning machine. Once perfected, you and others will join us in our quest!

You’re fortunate to be holding one of our first prototypes in your hands. But only through constant refinement can our goal be achieved. We ask you, a pioneer user of the technology, to send us periodic field reports of your progress, at

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