Factory sealed. The "Principles of Information Systems, Loose-Leaf Version" by George Reynolds and Ralph Stair is a comprehensive textbook on the subject of computers and information technology. Published in 2017 by Course Technology, this ringbound textbook covers topics such as Management Information Systems, Security, and Networking. With 660 pages of content written in English, this textbook is a valuable resource for students and professionals looking to deepen their understanding of information systems principles.