To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
I used this in conjunction with the Microsoft MCAD/MCSD self-study kit and Transcender's MCSD pack. I found the book too shallow in detail compared to what I found in my other study references and what was actually asked on the test. I thought the Cram Sheet in particular was pretty useless fluff.
The code examples were somewhat helpful, just for simplistic practice's sake if nothing else. I was also happy to see the discussion of the testing methodologies at the back of the book. Microsoft's testing approach has changed since I got my MCSE back in '98 and it was good to have some idea of what I might face.
Still, those two good points aren't enough to balance out the weak, shallow content. It's an OK guide if you've got access to other material; otherwise, look elsewhere.