As a Ballroom teacher in training, it's possible to look at the content of this book from a more objectve point of view than the target audience.
Trying to interperet the language used and pictures provided, I was surprised that it was easy to follow and interperet, as there is a general disregard for teaching books on the whole.
Although it is possible to get a general feel of the dance, it is not an encyclopedia of dance, and will not satisfy those who wish to learn and progress. Fortunately, I do not beleive it was ever the author's intention to solve all dilemas, but more to provide a way of getting started without commiting to lessons. With this in mind, the book is without doubt a success.
The text is laid out logically, with sensible words that do not confuse the reader. Covering dances that are familiar to most (ie: Waltz, Slow Foxtrot) there is a good variation that offers different styles to suit (ie: Quickstep, Tango). This, I feel, is a good introduction for all ages and abilities.
Although not a raw beginner, I also found that the language used was invaluable as it could be understood by anyone from first-timers trhough to my also-impressed dance coach!
In conclusion, this book is a good value introduction to dance, and cannot be faulted as a useful reference book.