Linda Elovitz Marshall is the award-winning author of two dozen picture books, including THEPOLIOPIONEER: Dr. Jonas Salk and the Polio Vaccine,GOODNIGHT, WIND, and forthcoming biography, BRAVEVOLODYMYR: The Story of Volodymyr Zelensky and the Fight for Ukraine (HarperCollins). Her works have been adapted for stage and have been translated into almost a dozen languages.