The product is a textbook titled “Introduction to Programmable Logic Controllers” by Gary Dunning. It is a revised edition published in 2005 by Delmar Cengage Learning. The book is intended for a college audience and covers topics in automation, construction, electrical engineering, and teaching methods. It includes chapters on micro PLCs, programming, PLC operation, logic, input and output modules, control systems, and more. The book is illustrated and features practical information on Rockwell Automation’s SLC 500 family of PLCs, RSLogix software, and ControlLogix PLC. With 640 pages, the book provides comprehensive coverage of programmable logic controllers.