Spey and Dee fly books
 

John Shewey has an excellent book not only on tying Spey and Dee
flies, but their history and developement as well. I understand that
Bob Veverka will have a book out on the subject soon, perhaps in Jan.
2004. I hope this helps.
Flytyer-1
"If I have been able to see over the horizon,
it is because I have stood on the shoulders of giants,"
Sir Isaac Newton