Marisa D. Keller is the rare editor who excels at helping with the development of a novel as well as its final copyediting. As an author who has benefitted from her services, I highly recommend her to anyone seeking insightful observations about an emerging novel’s structure, themes, and character development. The consummate professional, Marisa has significantly elevated the quality of my work and I am forever grateful.

—Marjorie Nelson Matthews, author