Thanks for the advice! I've always heard that knowing the format is the most important thing for these kinds of tests.

At least the current series of books carry an unoffensive design sense, unlike the past masters:

[http://www.amazon.cn/HSK%E5%88%9D-%E4%B8%AD%E7%AD%89%E5%85%A8%E6%94%BB%E7%95%A5%E6%95%99%E7%A8%8B/dp/B0026FBPW4/ref=sr_1_11?ie=UTF8&qid=1329570601&sr=8-11]