'Access All Areas' is an excellent primer to the hobby of urban exploration (UE). Most of the book's contents fall in the 'common sense' category - that is, when you read it, for the most part you'll think 'Yeah, sure, I'd already thought about that'.
Its real strength is -in my view- the style in which it is written; every page brings evidence that the author really loved what he wrote about. Witticisms abound, several 'Been there, done that'-type tales - by the time you've finished the book, you can hardly wait to go out there and do some UE yourself to join in on the fun.
That feeling, more than anything else, is what makes this book great value. Don't get me wrong - it is packed with good advice, too - but, a lot of is stuff you really shouldn't need to be told.