Pag. 32, par 5; "..., the Wraiths were a let down ..."
Pag. 43, par 5; "e.g. Kris uses renders..." Uses isn't needed here.
Pag. 45, par 4; "Additionally, the thing legs ..."
And the last one I found: On page 2 paragraph 2; "... a world that drew .... they bounced off."
It could be my Dutch heritage influencing my English, but the sentence feels chopped off to me. If I put against after off, I find the sentence running a lot smoother.