Judith A. "Judy" Penna received her undergraduate degree in mathematics from Kansas State University and her graduate degree in mathematics from the University of Illinois. Since then, she has taught at Indiana University–Purdue University Indianapolis (IUPUI) and at Butler University, and continues to focus on writing quality textbooks for undergraduate mathematics students. In her free time she likes to travel, read, knit and spend time with her children. Source: [About the Author](https://www.amazon.com/College-Algebra-4th-Judith-Beecher/dp/032169399X)