It's too short, and where are some original drawings by the author? What I saw were artworks from dA and from other tutorial sites. The cover art is done by a woman (Olga Bell). I have always assumed that how-to art books would have a lot of artwork created by the author, or if not by the author, would credit who did do the artwork. I see no evidence that the author of the book even knows how to draw! It's evident (if you do a Google images search) that the book contains work by several different people.