As the book title says this is for those readers who are getting to know Google Maps API 3. It's written clean and understandable, with lot of code examples and pictures which represents given code result. At the beginning of book some description of Google Maps API, version 3, and mapping fundamentals are written. After basic introduction to some coding (xhtml,css,javascript, how to use api reference) book dives into API elements: how to create map, set mapOptions, markers, marker icons, infoWindows, Polylines and Polygons. In appendix is included API reference, which is very useful. Through book there are a lot of tips, usually a web page which will give you more information of currently read topic. So, if you're a Google Maps API 3 beginner, this is the right book for you.