Andreas J. Köstenberger is a leading evangelical author and scholar. He is research professor of New Testament and biblical theology and the founding director of the Center for Biblical Studies at Midwestern Baptist Theological Seminary.

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Marilyn Kosmatka is coauthor, with Eric Flint, of Time Spike.

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Sally Koslow, who was born and raised in Fargo, North Dakota, is the former editor in chief of McCall's magazine.

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Kenneth K. Koskodan graduated from Michigan State University with a degree in communications. Of Polish descent himself, he has researched Poland's participation in World War II for many years, and in the course of his research has interviewed many surviving veterans. No Greater Ally is his first book.

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George Koskimaki is a noted historian of the 101st Airborne Division. His books include Hell's Highway and The Battered Bastards of Bastogne. He lives in Northville, Michigan.

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Jackie Cummings Koski, MSPFP, CFP, AFC, is a personal finance educator and consultant who reached F.I.R.E. in her forties after growing her wealth to over $1 million. Her personal finance tips have been featured on CNBC, Forbes, and Market Watch. She is author of the award-winning book Money Letters 2 My Daughter.

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Kenneth S. Kosik, MD, is a neurologist, researcher, and professor in neuroscience at the University of California, Santa Barbara. He has received many awards and professional honors, including the Whitaker Health Sciences Award, and is coauthor of The Alzheimer's Solution and When Someone You Love Has Alzheimer's.

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Alex Kosh is the author of the Loner series of LitRPG books, including Gates of Thunder and The Highway of Blades.

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Dr. Khalid Koser (MBE) is executive director of the Global Community Engagement and Resilience Fund. He is a Senior Fellow in Foreign Policy Studies at the Brookings Institution, research associate at the Graduate Institute of International and Development Studies in Geneva, and professor at the University of Maastricht.

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Gunter K. Koschorrek was a machine-gunner on the Russian front in WWII. He lives in Germany, having retired from his job as managing director of a sales company.

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Nicole Kosanke, PhD, is director of evaluation and family services at CMC.

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S. F. Kosa is a clinical psychologist with a fascination for the seedy underbelly of the human psyche. Writing as Sarah Fine, she is the author of over two dozen fantasy, urban fantasy, sci-fi, and romance novels, several of which have been translated into multiple languages.

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