CompTIA Security+ Get Certified Get Ahead: SY0-601 Study Guide [the book is New, the cover has a few imperfections see photos. Each of the eleven chapters presents topics in an easy-to-understand manner and includes real-world examples of security principles in action. ].
Book is great. First user made it difficult to re-use.
The user had it marked all over especially the practice questions. It’s practically impossible to use those question after chapter to test yourself which is one of the main point of buying.