I couldn't buy the book earlier so I emailed the creator and he generously gave me the book for free (DRM free to boot!). I took a quick look through it before

I couldn't buy the book earlier so I emailed the creator and he generously gave me the book for free (DRM free to boot!). I took a quick look through it before my last class and so far am loving it (yummm free quality content!). Thanks again Randall!