The New Tea Book is a nice, light read for those who want to learn a little more about tea. It's not the definitive treatise on the subject, but it's great to just pick up and flip through.
There are a number of subjects covered, mainly breaking down into information about the history and production of tea; varieties and types of tea; preparation and serving information; and a few recipes.
It's not the densest book around. If you're knowledgeable about the subject, you know everything that's contained in here already. True tea snobs will find a thing or two to turn their nose up at.
The recipes are interesting, and while I haven't had a chance to try any yet, they may be one of the best reasons to buy the book (snob or no). There are recipes for desserts, beverages, and a few sandwiches. Some of this stuff looks real good and pretty easy to pull off.
The photography is top-notch, and in some cases almost justifies the purchase of the price. But just be ready for light reading that you can flip through as opposed to deep, informative writing.