South Sea Adventure, Paperback by Price, Willard, ISBN 009948224X, ISBN-13 9780099482246, Like New Used, Free shipping in the US

'It's a lost world out there'Hal and Roger Hunt sink deep into danger when a specimen-collecting trip takes them into the lost world of the South Seas. But the deep-sea trawl has a hidden agenda - a top secret mission for Professor Stuyvesant, and his scientific experiments in Pearl Lagoon . . .