Tony Gaddis is the principal author of the Starting Out With series of textbooks. Tony has nearly two decades of experience teaching computer science courses, primarily at Haywood Community College. He is a highly acclaimed instructor who was previously selected as the North Carolina Community College “Teacher of the Year” and has received the Teaching Excellence award from the National Institute for Staff and Organizational Development. The Starting Out With series includes introductory books covering C++, JavaTM, Microsoft® Visual Basic®, Microsoft® C#®, Python®, Programming Logic and Design, Alice, and App Inventor, all published by Pearson.

Judy Walters is an Associate Professor Emerita at North Central College in Naperville, Illinois, where she was a member of the Computer Science faculty for 33 years and served as Department Chair for six years. Of the many courses she taught, her favorites were introductory courses such as Discrete Structures and the freshman programming sequence. She now divides her time between Illinois and Costa Rica, where she continues programming, writing, publishing, and doing volunteer work with local students.

Godfrey Muganda is a Professor of Computer Science Emeritus at North Central College in Naperville. During his 27 years at North Central, he taught a wide range of undergraduate and graduate courses, including algorithms, computer networks and security, compiler design, and web applications. He now spends his time enjoying his family, learning cool computer science stuff, teaching an occasional course, and writing.