It's extremely eye catching and I do like it a lot in general. The black border area compliments the center image of typography and the five colored panels.
The colored art panels look well balanced as a unit in itself. I love your art work. The expression and movement of the character is very dynamic. BUT, I think it fights for attention against the text (I really do like where this idea is going) and my eye bounces around way too much because there isn't much flow from one thing to another—it all draws equal attention and thus fights. I find the top heading fights with the bottom, etc.
I'm not crazy about the title but it is very original at the same time. It doesn't seem like a book title and I'm not sure if I could remember it if I had to type it up on a computer at a book store. It seems more suited to a T-shirt phase or the title of an article a magazine.
I think your name should be bigger. It is sort of invisible because the other text is so kick ass powerful.