I was waiting until I passed the CISSP before I wrote this review for this book.
Honestly, the whole mantra of "you get what you pay for" really applies here. The Shon Harris book is 1,400+ pages and the Sybex book is 1,500+ pages... whereas this book sits at less than 300. With page count representing currency, I really felt shorted with this book. I've heard from others that this book saves you time and effort and avoids the painful 1,000+ page reads of the other two books... but you are really missing out a ton of content by thinking you can cut corners with this book.
The CISSP exam is tough, mainly because of how broad this test is. The exam truly is "a mile wide and an inch deep" and this book just doesn't cover enough to pass the exam. I finished this book in 1 day, about a week or two before my exam was scheduled. It was a decent supplemental study material source, but again - I really felt shorted. The whole "5 hardest questions" at the end of each chapter are I'm sad to say a joke. Lastly, the author seems to have a serious crush on Bruce Schneier, because he is referenced numerous times throughout the book, along with other various website plugs, and very weak references for chapters as well made me laugh.. they were practically "google.com."
If you have access to this book through your company or a public library, it would be worth the quick 1 day read to brush up on bare bone basics. I am so, so thankful that I did not purchase this book and spend any actual money on it.
Accept the fact that you have to work hard and invest time to earn this certificate ... and go pick up the All-in-One or the Sybex book, or better yet .. both. It will pay off in the end when you see "Congratulations!" on your end of exam print off.