The Coral Reef Adventure

The Coral Reef Adventure (Sangoho no boken" サンゴ礁の冒険) is a chapter of the Astro Boy manga which originally ran in the expanded summer edition of Shonen magazine in July 1954.

This story was omitted from the Osamu Tezuka Complete Manga Works published by Kodansha.

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


 * Astro Boy, Volume 21 (Dark Horse)