This manual describes various techniques to avoid internet filtering and online surveillance. It does not focus on China, but it is well worth reading and contributing to. It can be found here.
From the Floss Manuals (Free Manuals for Free Software) website:
About This ManualThis manual ‘Bypassing Internet Censorship’ provides an introduction to the topic and explains some of the software and methods most often used for circumventing censorship. There is some information on avoiding surveillance and other means of detection while bypassing censorship