月刊少年ジャンプ
"I Saw It" premiered as a one-shot work in a September 30, 1972 special issue of "Weekly Shōnen Jump", entitled "Monthly Shōnen Jump" featuring manga based on various creators' biographies. "Monthly Shōnen Jump" later split into its own manga anthology. Nakazawa's editor later urged him to write a longer series based on "I Saw It", which became the series "Barefoot Gen". "I Saw It" was later published as a part of a compilation of Nakazawa's short stories by Holp Shuppan, entitled .