Rear Admiral Dr. Grace Murray Hopper became known as "Amazing Grace" and the "First Lady of software" at a time when women rarely ventured into math and computer work. In this captivating biography, readers will learn how her pioneering work in the field changed computers as we know them today, including how we refer to malfunctions. They will also discover how she helped develop computer language, paving the way for modern computer coding. Full-color photographs, fast facts, and direct quotes help to illuminate this portrayal of one of the most innovative and inspiring figures of the twentieth century.