The Buddha:
The Emptiness of the Heart
talks on Zen

by Osho

talks given live   Sept. 1988  
Pune, India
book, eBook, mp3 audio, video.
see these links to other sites for availability.
Zen masters Osho talks about in this book:

name in book              Chinese pinyin

Bukko
Daikaku
Bankei
Rinzai..........................Linji
Daio
Shoitsu
Engo...........................Yuanwu
             oshobob  The Living Workshop                                
                                                        Osho Books