Futaro Yamada (山田 風太郎, Yamada Fūtarō?, January 4, 1922 - July 28, 2001) was the pen name of Seiya Yamada (山田 誠也, Yamada Seiya?), a Japanese author. He was born in Yabu, Hyogo. In 1947, he wrote a mystery novel Daruma-tōge no Jiken (達磨峠の事件, Daruma-tōge no Jiken? lit. "The Incident on Dharma Pass") and was awarded a prize by a novel magazine Houseki (宝石, Houseki?). He was discovered by Edogawa Rampo and became a novelist. He wrote many novels of ninja story (忍法帖 Ninpōchō series) and mystery fiction. Many of his works were adapted for film, TV, manga, and anime.
Ninja stories ("Ninpōchō" series)
The Kouga Ninja Scrolls (甲賀忍法帖, Kōga Ninpōchō?, 1959)
Edo Ninpōchō (江戸忍法帖, Edo Ninpōchō? 1960) - adapted to film in 1963.
Gunkan Ninpōchō (軍艦忍法帖, Gunkan Ninpōchō? 1961)
Kunoichi Ninpōchō (くノ一忍法帖, Kunoichi Ninpōchō? 1961) - adapted to film twice in 1964 and 1991.
Gedō Ninpōchō (外道忍法帖, Gedō Ninpōchō? 1962) - adapted to film twice in 1964 and 1992.
Ninja Tsukikageshō (忍者月影抄, Ninja Tsukikageshō? 1962) - adapted to film twice in 1963 and 1996.
Ninpō Chūshingura (忍法忠臣蔵, Ninpō Chūshingura? 1962) - adapted to film twice in 1965 and 1994.
Iga Ninpōchō (伊賀忍法帖, Iga Ninpōchō? 1964) - adapted to film in 1982 and to manga in 2004.
Ninpō Hakkenden (忍法八犬伝, Ninpō Hakkenden? 1964)
Fūrai Ninpōchō (風来忍法帖, Fūrai Ninpōchō? 1964) - adapted to film twice in 1965 and 1968.
Yagyū Ninpōchō (柳生忍法帖, Yagyū Ninpōchō? 1964) Yagyū Jūbei Trilogy #1 - adapted to film in 1998 and to manga in 2005.
Ninpō Sōden 73 (忍法相伝73, Ninpō Sōden 73? 1965) - adapted to film in 1969.
Jiraiya Ninpōchō (自来也忍法帖, Jiraiya Ninpōchō? 1965) - adapted to film in 1995.
Maten Ninpōchō (魔天忍法帖, Maten Ninpōchō? 1965)
Shingen Ninpōchō (信玄忍法帖, Shingen Ninpōchō? 1967)
Makai Tenshō (魔界転生, Makai Tenshō? 1967) Yagyū Jūbei Trilogy #2
Shinobi no Manji (忍びの卍, Shinobi no Manji? 1967) - adapted to film in 1968.
Ninpō Kenshiden (忍法剣士伝, Ninpō Kenshiden? 1968)
Ginga Ninpōchō (銀河忍法帖, Ginga Ninpōchō? 1968)
Higisho Sōdatsu (秘戯書争奪, Higisho Sōdatsu? 1968) - adapted to film in 1993.
Ninpō Fūin Ima Yaburu (忍法封印いま破る, Ninpō Fūin Ima Yaburu? 1969)
Ninja Kokubyaku Zōshi (忍者黒白草紙, Ninja Kokubyaku Zōshi? 1969)
Ninpō Sōtō no Washi (忍法双頭の鷲, Ninpō Sōtō no Washi? 1969)
Uminari Ninpōchō (海鳴り忍法帖, Uminari Ninpōchō? 1971)