Hello Celtic Knight (and everybody )...I was just thinking while reading this entire post about Daan Van Kampenhout...but thought that maybe he was not read outside of the Netherlands...well he is I have 3 of his books and I really like his style....Griffin,
Not a beginners' book by any means, but the best book on Shamanism I have read recently is Images of the Soul by Daan van Kampenhout. Daan is a Dutch shaman who has developed shamanic constellation work by fusing family constellation work with shamanic rituals. In this book, he discusses the nature of shamanic rituals and constellations and various models of the soul from a shamanic perspective. He writes well and in an easy-to-read style and, if you're interested in shamanic ritual work, you will gain a lot from this book.
I also like the book from Caitlin Matthews "Singing the soul back home" & from her partner "the celtic shaman"
but I also have to mention for people interested by Soul Retrieval the book (same title) by Sandra Ingerman...