This book has almost everything a person could need to do magical work centered on the symbolism of Arthurian lore and the Holy Grail, with two caveats.

1. Especially as the Matthews and Chandler have presented it, Arthurian spirituality is deeply and explicitly connected with the land, people, and national character of Britain. While theoretically accessible to anyone who feels drawn to the lore, I don't know if someone who lacks that connection will be able to fully engage with it. For me, a genetic connection wasn't enough, nor was previous in-depth work with the Grail mysteries. I've never visited Britain, nor am I deeply invested in its culture and history, and I was frequently aware that this book is based on the assumption of being immersed in it. Your mileage may vary.

2. This material was developed over decades of work by a large group, and many of the major rituals require a lot of people. It is possible for a person working alone to enact a version of them either by taking all the parts or doing it as a visualization, but it's something you should be aware of before buying the book.

However, even with those caveats, this is a worthwhile book to read and to have as a reference. It is primarily a magical (transformative, healing) guide, but it also is a useful encyclopedia of the lore of Camelot and the Grail Quest. I'm not going to be using the system, but I still found it inspiring, and it gave me some ideas for my own work. ( )