http://www.rcakitshop.net/catalog/index.php?cPath=2
The RCA KItshop has a number of Dr. Gregg's books - most of which should be in every CMP nut's personal collection. Not only will you be spreading the gospel of CMP, but you will also be supporting a worthy cause - the RCA Museum (pardon this gunner "plug" - former Regt etc...).
Gregg Collection - Volume 1 Edition 1
$14.50
Gregg Collection - Volume 1 Edition 2
$14.50
Gregg Collection - Volume 3
$31.90