The most common New Year's resolution is to lose weight and there are so many diet books on the market, it's hard to know which ones are really useful. This article in USA Today
evaluates several new books and another article reviews some "tried and true" older diet books. USA Today's "Diet Challenge" for 2006 follows three people as they try to change their eating and exercise habits in the new year and will offer lots of practical advice along the way.
Searching for the subject "reducing diets" in the BHPL catalog results in 39 titles which can be sorted by date if you want only the latest diet advice. If you want to browse in the diet book section, go to the 613.25 area in non-fiction.