Weekly Shonen Jump issue 39, 1972 — 週刊少年ジャンプ, the weekly manga anthology published by Shueisha — came out on September 11, 1972 and carries 12 series, with Koya no Shonen Isamu on the cover. Inside: Koya no Shonen Isamu, The Gutsy Frog (Dokonjou Gaeru), Samurai Giants, Otoko Ippiki Gaki Daishou, Manga Drifters and Astro Kyudan (Team Astro), and more. This issue carries the first chapter of Astro Kyudan (Team Astro).