Tondemo-bon is defined by the academy as "something amusing from a perspective that differs from what the author intends."
The award covers not just conspiracy theory or pseudoscience but also includes historical revisionism as well as atheists or scientific sceptics who make rather biased attacks toward the former.
The members of Togakkai included religious figures as well as scientists and other academics.
In Japan, this genre has superseded similar activities of scientific sceptics.
Some winners of the Nihon Tondemo-bon Taisho (Japan Tondemo Book Award):