Organizations that hand out urban and regional planning awards are a great place to learn about successful projects. Have a look at some of the following:
Creative Commons Flickr photo by David Baggins
Case studies can be found in several places:
Start with LibrarySearch, the main search box at the library. Check off the "Limit to articles from scholarly publications, including peer-review" box under "Refine Your Search."
It usually takes more than a year for a book to be published, so you're generally not going to find the most recent examples in books. You can do the same types of search as above, just check off "Book/eBook" under the "Content Type" heading.
You'll find conference presentations, reports published by government and organizations, and websites devoted to planning online.
Try any of the following by themselves or in combination: