I am rating the quality of the pdf more than the contents. This appears to be a scan of the original book. There is only minor skew for the contents, and even though the text goes almost edge-to-edge, at appears nothing was lost. This appears to be one of the better scan jobs done on these old TSR books.
If you are hoping to duplex print this on three-hole paper, forget it. The text on both edges is almost to the edge, and some of it may be lost if your printer does not support edge-to-edge printing.