Prior posts in this series for comparisons:
Update On iPad 2 And Google Books PDFs
Google Books PDF Smackdown: NookColor Vs. Samsung Galaxy Tab Vs. iPad
Google Books PDF On HTC Flyer
eInk Nook Reading Google Books PDF
More PDF Action On Rooted NookColor
Google Books PDF On Rooted NookColor
And if you want to play along at home:
Processed World (Nov-82) [choose PDF (5.9 M) or right-click Save As here]