Fortress of the Centaurs

Fortress of the Centaurs ("Tenmazoku no toride" 天満蔵の砦) is a chapter of the original Astro Boy manga which originally ran in Shonen magazine in May 1958.

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


 * Astro Boy, Volume 5 (Kodansha)
 * Astro Boy, Volume 14 (Dark Horse)