When he uncovers a mysterious metal object while digging in the front yard, Wishbone imagines himself as Professor Otto Lidenbrock who attempts to discover the center of the earth by leading an expedition into the crater of an Icelandic volcano.
General Note
Previously published: Allen, Tex. : Big Red Chair Books, c1999. (The adventures of Wishbone ; #17)
"Based on the teleplay by Jack Wesley."
"Inspired by A Journey to the Center of the Earth by Jules Verne."
"Wishbone created by Rick Duffield."