Titles In This Set: Amazon Adventure South Sea Adventure Underwater Adventure Volcano Adventure Whale Adventure African Adventure Elephant Adventure
Amazon Adventure: Hal and Roger Hunt crash-land into the middle of a pioneering expedition to the unmapped regions of the greatest jungle on earth: the Amazon.
South Sea Adventure: Hal and Roger Hunt sink deep into danger when a specimen-collecting trip takes them into the lost world of the South Seas.
Underwater Adventure: Hal and Roger Hunt dive into danger when they join the Oceanographic institute as part of an underwater operation in the South Seas.
Volcano Adventure: Hal and Roger Hunt embark on an earth-shattering expedition when they join forces with world-famous volcanologist Dr Dan Adams.
Whale Adventure: Hal and Roger Hunt are hoping to have a whale of a time when they agree to join the crew of a whaling ship.
African Adventure: Hal and Roger Hunt are on the trail of a vicious man-eating leopard. Yet they are also being hunted themselves, by a merciless band of killers known as the Leopard Society.
Elephant Adventure: Hal and Roger Hunt are on an awesome African adventure to track down the rare great white elephant. The brothers coolly tackle their task - despite doom-laden prophecies from mumbo, a Watussi chieftain - and as the temperature rises . . . the danger-level intensifies.
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