I worked in China for five years (2009 to 2014) and in that time studied Chinese in my spare time using some BLCU books: the 汉语阅读速成 series, the 汉语口语速成 series, the 汉语听力速成 series and 习惯用语教程, all of which were very useful and all of which I have continued to use now that I work...
Answered Mar 22, 2021