Many technical books need the expertise of more than one person, and this one is no exception. Thanks to Stephanie Evans and Mary Demery for trying to keep me on schedule, and thanks to Jeremy Russell, who gave me good advice when the theoretical met the practical.

Many of my professional colleagues at Epic were a source of both inspiration and guidance, especially James Slager, Scott Hinman, and Justin Rush. In this case, the whole is truly greater than the sum of its parts.

If you have any questions or comments about any part of this book, please do not hesitate to contact me at

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