Billy Dilley's Super-Duper Subterranean Summer follows the adventures of Billy Dilley, a 7th grader who loves science, and his lab partners, Zeke and Marsha, who on summer vacation find themselves trapped in a strange world located in the Earth's core.
Billy Dilley's Super-Duper Subterranean Summer follows the adventures of Billy Dilley, a 7th grader who loves science, and his lab partners, Zeke and Marsha, who on summer vacation find themselves trapped in a strange world located in the Earth's core.