Sea-Serpent Island

Sea-Serpent Island ("Umi hebi jima" 海蛇島) - originally titled "Astro Boy Goes Along the Equator" - is a chapter of the original Astro Boy manga which originally ran as a supplement in Shonen magazine in August 1953.

Collected Volumes
This story has been collected in the following volumes:


 * Astro Boy, Volume 2 (Kodansha)
 * Astro Boy, Volume 21 (Dark Horse)