The Bujinkan (武人館) is one of the schools famous for teaching Ninjutsu, the Bujinkan in fact contains nine distinct koryuBudo, three of them are indeed Ninjutsu ryuha. It has dojos throughout the world. It is headed and operated by Dr. Masaaki Hatsumi and is one of the X-kan.
...
The contents runs as follows:
Introduction
Looking Ahead: Tenth Anniversary Interview (an interview conducted ten years since Barsamian first interviewed Chomsky)
...