I disagree a bit with my fellow previous reviewer. The colors in this book are quite pretty and accurate, in line with most of the latest knowledge about them, putting all possible color quarrels aside. These disputes can be very arbitrary, given field paint preparation, mixing colors, fading, etc. RLM 74 Grüngrau and RLM 75 Violettgrau, for example, look better than those from many profile books I have seen or owned.
However, I DO agree in the many, many factual errors, like wrong Jagdgeshwadern, or naming a color NOT used on the plane, then representing the correct one. Stuff like this will be confusing to all but people who are well versed in Luftwaffe planes and can spot the mistakes, laugh, and disregard them. I'd say there are about 10-15 errors I have found in contradictory color info vs. the colors on the profile, and stuff like the below mentioned "JKG-300" :)
These are, of course, unjustifiable errors.
The wealth of profiles, on the other hand, giving the info below each one a margin of error, is very welcome, and they do include many that are for me fresh and very peculiar and curious paint jobs. It includes many pages with FW-190F and G profiles, which are rarely found in one single book, if at all. And of course, many FW-190Ds and Ta-152s also.
One sadly lacking thing is that there are NO TOP VIEWS of any particular plane, apart from the two generic camo pattern top views. This is not a book about pilots or battles (and I don't think that it was meant to be). I would say buy it for the profiles only, as the info may be misleading and is only cursory anyway. I have painted many 1/300 miniatures using profiles from this book.