Volume 9 (Dark Horse)

Volume 9 is the ninth volume of Astro Boy released in the US.

Published by Dark Horse, this reprint collection follows the Tezuka-designed order first used in the Japanese Akita Shoten collections, as opposed to the original Shonen Magazine chronological order used by Kodansha in their Osamu Tezuka Complete Manga Works series.

Chapters

 * The Secret of the Egyptian Conspirators
 * The Invisible Giant
 * Cobalt