“Clandestine and Opposition Shortwave Broadcast Guide” by Steven Handler is available from Amazon.com (Kindle eBook). Published in late September 2012, it contains a detailed list of clandestine and opposition shortwave broadcasters listed by time (GMT).
Included are frequencies, and for most of the listings, the target of the broadcaster, transmitter sites and other information.
There are also several chapters with information about the operations of several of these broadcasters.
Another Chapter covers QSLing clandestine and opposition shortwave stations and provides a number of postal or email address.
The price is $3.99. For more information, including sample pages visit Amazon.com, Amazon.de or Amazon.com.uk.
Amazon stock number is ASIN: B009HC5ESU