The Complete Book of Incense, Oils & Brews is, in effect, a magical cookbook. Like any cookbook, it teaches, allows plenty of latitude for experimentation and personalization, and gives a large number and wide variety of recipes. These are not the same old tired recipes printed time and again in a host of magical formularies. They are tried and true ones gleaned by Cunningham from a variety of sources over many active years of practice.
Included in the book is a very well written chapter on the basics of magic and, to my mind, an extremely valuable chapter on all aspects of substitution... "What can I use if I can't find Juniper (for example)?" This alone is worth the price of the book. I thoroughly recommend it