I thought it'd be okay to list these here as the first one may be of
interest to folks on this list.
Electronic Music Circuit Guidebook by Brice Ward
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=4546837894
Sound Recording Practice 4th Edition - Ed. John Borwick
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=4546838774
Apologies if this is too off-topic.
Thanks - John