Kenichi Yamamoto

1999

• [ ] UFC 23: Ultimate Japan 2 (Self) 

2000

• [ ] UFC 29: Defense of the Belts (Self) 

2002

• [ ] Pride 23: Championship Chaos 2 (Self) 
• [ ] Frog River (Shiba) 

2003

• [ ] Pride 25: Body Blow (Self) 

2004

• [ ] Pride Bushido 4 (Self) 

2013

• [ ] Ask This of Rikyu (Novel)