Ebook: Beginning Google Maps Applications with PHP and Ajax: From Novice to Professional

I haven't had a lot of luck with Apress. And this book is no exception. .kmz format inclusion use in chapter 1 not adequately described.
The recommended [...] site is a unusable, can't find Phoenix, Arizona and doesn't explain how to format your lat longs. Code samples are in tar, instead of zip format. Not a show stopper, but another annoyance. And lets face it, there are enough annoyances just learining a new API.