Karla lives with her family in small-town Wisconsin, where she is currently working on a new middle grade novel. She has served as a mentor for the Wisconsin chapter of the Society for Children's Books Writers and Illustrators. She has also visited numerous schools, bookstores, and libraries to talk about her work.

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In addition to creating children's books, Karla has done a wide variety of freelance work. She's written greeting cards, textbooks, magazine articles, daily devotions, and more. She especially enjoys writing for mission-oriented nonprofit organizations.

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Karla is represented by Emily Mitchell of Wernick & Pratt Literary Agency.