The Jungle Kingdom

George and Mr. Sandwich go on location to film in the ruins of a kingdom in Africa that existed 3,000 years ago. Also includes ["The Secret Base of the Shari River"](https://www.mangaupdates.com/series/12n8t9c/chari-gawa-no-himitsu-kichi): Frank Allen and his nephew John Holcan go in search of a golden statue located in the upper reaches of the Shari River. --- **Volume 138 of the Osamu Tezuka Complete Works**