500. That’s an error.
There was an error. Please try again later. That’s all we know.
Lori Alexander’s books for young readers include the acclaimed biographies What’s a Germ, Joseph Lister?: The Medical Mystery That Forever Changed the Way We Heal and the Sibert Honor–winning All in a Drop: How Antony van Leeuwenhoek Discovered an Invisible World. She lives in Tucson, Arizona. lorialexanderbooks.com