The Big Zappa Discussion
大ザッパ論-20世紀鬼才音楽家の全体像 (in English The Big Zappa Discussion - Complete Picture of a Twentieth Century Genius Musician) is a 555-page 1998 book in Japanese about Frank Zappa's work, written by Kohjitsu Hoyama (sometimes spelled as Kohi Oyama), ISBN 4875023049.
It was followed in 2001 by The Big Zappa Discussion 2.