Karen Blumenthal (1959–2020) was a financial journalist and editor whose career included five years with The Dallas Morning News and twenty-five with The Wall Street Journal before becoming an award-winning children’s nonfiction book writer. Three of her books were finalists for the YALSA Excellence in Nonfiction for Young Adults Award, and she was the author of Sibert Honor Book Six Days in October: The Stock Market Crash of 1929.