A good book about Extractions from plants?

[sonofsnow]

First i would like to say that i think this site is an exellent place for information on the subject.
But i ilke to have it in book form much easyer to sitt down with a book i think.
So i was wondering is there any good books about general alkaloid extractions from plants out there that you know of?

Best of wishes

 

[sonofsnow]

By the way, I also read some where on this site that DMT Nexus is planning on writing a book.
Anyone knows when the release date for this book is?