I haven't read this in full, and I probably won't ever attempt to read it in full. However, it's spent most of 2011 and 2012 sitting on my bedside cabinet, within easy reach for me to grab it and quickly look up someone.
It would be easy to nitpick the biographies that make up the text, as there's not a lot of room for depth or even to address theories. However, considering the scope of the book, the biographies are meant to short snapshots of these figures and to expect more would be wrong. I have been alternatively surprised by some of the individuals who didn't make it in, and surprised by the individuals that did make it in.
If nothing else, it's a handy repository of Ancient Egyptian names.