This is a decent overview and introduction to Alexandrian and Gardnerian Craft. There are a few typos in the book and some points that can be mildly confusing, but overall the text is usable for either an outer court group or training in preparation for the 1st degree. However, I do not feel that the material stands completely on it's own and is not a replacement for coven training.
The book gives a general overview of the ideas and practicalities of all aspects of the craft, giving many secrets, which are usually kept from new practitioners for all the wrong reasons. There is an even mix of practical methods, history and lore, and the structure is fairly loose and easy going. The author never presents himself as authoritative, but rather more as a fellow Wiccan who is sharing the things he has learned and discovered.
Whilst I consider this generally a beginners book; one that I would 'insist' be brought in conjunction with any other book on the craft for sake of balance, I personally found plenty of insights which have opened up avenues of exploration, so do not dismiss it as 'only' a beginners book