Phil Rosenzweig is a professor at IMD in Lausanne, Switzerland, where he works with leading companies on questions of strategy and organization. He earned his PhD from The Wharton School, University of Pennsylvania, and spent six years on the faculty of Harvard Business School. He is a native of Northern California. Comments to the author can be sent to Phil@The-Halo-Effect.com.

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Christopher Lane is a prolific writer who has published 15 books for the inspirational and religious market, including six children's novels, one of which won the Gold Medallion Award and another the C.S. Lewis Award. He continues to write for the Christian market. This first mystery is his debut in the American Booksellers market. He lives in Colorado Springs, Colorado.