Willard Price's rip-roaring adventures are given a new lease of life in this stunning new two-in-one package. In Volcano Adventure Hal & Roger Hunt are off to the Pacific to study volcanoes with a young scientist Dr Dan Adams. They share some amazing experiences
- investigating an active crater on the sea bed; seeing the inside of a boiling crater in a steel & glass ball; & resuing the inhabitants of the doomed Tin Can Island". But Dr Adams is behaving strangely & Hal begins to worry that he might be putting them all in danger... In South Sea Adventure Hal & Roger are commissioned to bring back some extraordinary sea creatures for their father's collection but that's not their only mission. They're also out to visit the remote pearl-oyster beds of a secret lagoon but there are others after the pearls as well & they soon find themselves stranded on a desolate atoll with little hope of survival."