'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...
- Format: Paperback
- Pages: 288 pages
- Publisher: Random House Children's Publishers UK
- Publication Date: 26/04/2012
- Category: Adventure
- ISBN: 9780099482246