I'm a librarian who loves anime, manga, and reading a wide variety of genres.
I'm about to go book shopping, but I hope to finish this up today.
This is definitely heavier on the entertainment than the education, despite the little info boxes explaining the nonfiction aspects. For the education aspects to be stronger, there'd need to be diagrams here and there explaining what really happens in the body. I need to read up on what steroids actually do, but I feel like wholesale destruction and carnage isn't it. O_o