I wrote five books. The last two books are e-books.
I rewrote some of these books and made it the contents of “Crises of Humanity” on this website.

A Captain’s letter from the stratosphere
–Message for mountains and the Earth’s environment–

  • Paperback: 239 pages
  • Publisher: Yamatokeikoku-sha
  • Originally Published: 1993
  • Language: Japanese
  • ISBN-10: 4635170691
  • ISBN-13: 978-4635170697
機長の空からの便り

Days; Departure for a long journey

Japan Library Association selection books
  • Paperback: 261 pages
  • Publisher: Gendaikikaku-shitsu
  • Originally Published: 2012
  • Language: Japanese
  • ISBN-10: 4773812168
  • ISBN-13: 978-4773812169
永い旅立ちの日々

Time for Determination

  • Paperback: 149 pages
  • Publisher: Gendaikikaku-shitsu
  • Originally Published: 2014
  • Language: Japanese
  • ISBN-10: 4773814217
  • ISBN-13: 978-4773814217
人類の選択のとき

1980, Growth beyond the limits of the Earth (Kindle Store)

  • Print Length: 150 pages
  • Publisher: ZEROMEGA
  • Publication Date: July 30, 2016
  • Language: English
  • ASIN: B01JEIR72M


1980, Growth beyond the limits of the Earth

Crises of Humanity

For “Crises of Humanity”, there is a special page.
“Crises of Humanity” has been rewritten from “Time for Determination” and “1980, Growth beyond the limits of the Earth”.
I hope these narrative videos would be helpful for those who are unable to read letters physically or because of educational reasons.

Crises of Humanity