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Read it twice and used the online tests to prepare for the exam. It had 95% of the content needed for the exam. There are some glaring and humorous errors in the book most notably the authors think that the Euro is the currency in the UK and that the UK has already left the EU.
I used this book as my primary source and passed the exam ! Definitely this book alone will not be enough to pass the exam. I also used CSA guidance 4.0 alongwith the official practice tests (1000 questions) to prepare for the exam. Make sure to also review the list of reference material listed on ISC2 website. The questions at the end of each chapter are too easy, however the 2 practice exams ( 450 questions) are good to prepare for the exam.
I found that this book had a great introduction of the knowledge required for cloud computing security as well as the coverage of the exam to be an CCSP. Each chapter reiterates and expands the points in details.
I particularly enjoy the Real World Scenarios provided, they illustrate the contents and make them easier to remember and picture what is actually going on in real life. Also, the flow of the book is pretty is easy to follow.
The book is okay and will help you to prepare for the CCSP, but make sure you have the requisite security knowledge. Access the support material online was a challenge (not well documented) but after many emails and time on the phone with Sybex, I managed to get access to it.