Grace Hopper was a pioneer in computer programming, a woman whose scientific research led to computer-language tools and technology still in use today. Her story is filled with trial and error, and readers can follow the journey step by step.

Nancy Loewen writes fiction and nonfiction for children and young adults. Recent awards include: 2012 Minnesota Book Awards finalist (The LAST Day of Kindergarten); 2011 Bank Street's Best Children's Books of the Year (Share a Scare: Writing Your Own Scary Story); 2011 Book of Note, Tri-State Young Adult Review Committee (Stubborn as a Mule and Other Silly Similes); and 2010 Distinguished Achievement Award from the Association of Educational Publishers (Writer's Toolbox Series). She's also received awards from The American Library Association, the New York Public Library, the Independent Book Publishers Association, and the Society of School Librarians International. Nancy holds an MFA in creative writing from Hamline University, St. Paul. She lives in the Twin Cities with her husband and two teenage children.