Sell, buy or rent Roger L. Davis textbooks

CompTIA Security+ All-in-One Exam Guide: Exam SY0-401

by Wm. Arthur Conklin, Gregory White, Chuck Cothren, Roger L. Davis, Dwayne Williams
ISBN-13: 9780071841245
ISBN-10: 0071841245
Edition: 4
Publication date: 2014
Publisher: McGraw-Hill Osborne Media
Format: Hardcover 564 pages

Principles of Computer Security: Security+ and Beyond

by Wm. Arthur Conklin, Gregory B. White, Chuck Cothren, Dwayne Williams, Roger L. Davis
ISBN-13: 9780072255096
ISBN-10: 0072255099
Edition: 1
Publication date: 2004
Publisher: The McGraw-Hill Companies, Inc.
Format: Paperback 665 pages