As the other reviews have noted, this is an outstanding book. While I can't say I have seen every other colorado campground book out there, I still feel comfortable saying you will have a hard time finding anything better. While there are many outstanding aspects to this book, one of the top highlights would be the full color photos of each of the top 100, while not always a complete representation of the campgrounds (ie, a view from/of one site can't do any campground justice) they are nice to get some idea of the place, and books with pictures are always nicer! The text includes very good and detailed info about each of the top 100 (includign facilities onsite and somtimes nearby, like where to find showers), and details of the other (non top 100) campgrounds are still fairly adequate. Again, I think if you are looking for a colorado campground book, this should be all you'll need.
My one and only suggestion for readers of this book would be to not take the "top 100" designation all that seriously. While I don't think you will be disappointed by any of the author's top 100 selection, just remember they are from his point of view and your ideas of what makes a top 100 might be different (I believe the author mentions this as well). There have been several occasions where I would have rated campgrounds in a certain area differently (ie of 4 campgrounds in an area, 1 made his top 100 and 3 others different, I would have picked a different one). From what I have noticed, the author seems to give priority to the campgrounds with the best views (which isn't a bad thing), but I would probably give more weight to those with the most privacy, but to each their own! So again, its a great book for info, you won't be disappointed, but just don't be afraid to try some others that didnt' make the top 100 cut, as on several occasions I have found them more appealing to me than a top 100 selection nearby.