It is a very nice book i have in mind 2011 Edition Weak point is the evaluation of the decorations The current market demands much higher prices.
I do not recommend you to buy the older 2001 Edition It is smaller book and the information is not as good Most of the pictures are black and white. For starting point is OK, however the 2011 Edition is much better
Late Prof Pavlov books are the best however they still demand much higher price then Denkov book(s)
Cheers