In graphic novel format, tells the story of Jonas Salk's involvement in the development of a polio vaccine.

Katherine Krohn is the author of many books for young readers, including biographies, fiction, and graphic science and history books. Her books on supernatural subjects include Haunted Houses (Capstone Press) and Fortune Telling (Kidhaven Press). Krohn was born in Germany and grew up in the Detroit area. She now lives in the Pacific Northwest, home of many reported bigfoot sightings.