Weekly Shonen Jump issue 53, 1972 — 週刊少年ジャンプ, the weekly manga anthology published by Shueisha — came out on December 18, 1972 and carries 13 series, with Mazinger Z on the cover. Inside: Mazinger Z, Astro Kyudan (Team Astro), The Gutsy Frog (Dokonjou Gaeru), Manga Drifters, Otoko Ippiki Gaki Daishou and Toilet Hakase (Professor Toilet), and more. This issue carries the first chapter of Spike No. 1.