Karen Dionne is the USA Today and #1 internationally bestselling author of the award-winning psychological suspense novels The Marsh King’s Daughter and The Wicked Sister, both published by G.P. Putnam’s Sons in the U.S. and in dozens of other countries. The Marsh King’s Daughter was named one of the best books of 2017 by iBooks and many other booksellers and reviewers, and released in 2023 by Lionsgate as a major motion picture starring Daisy Ridley and Ben Mendelsohn. Karen enjoys nature photography and lives with her husband on a small lake surrounded by forest in the middle of Michigan.
Her work is included in Midnight Mind Number Nine.