Tell us what's wrong and we'll take a look.
Thanks – we got it. We'll review and follow up if needed.
Beneath the Earth's surface, an astonishing civilization thrives in secret. When a group of explorers discovers this lost world, they struggle to understand its strange technology and customs. But as curiosity turns to peril, they must find a way to escape before they are trapped forever. Hidden World blends classic adventure with visionary science fiction, offering a thrilling tale of discovery and survival.
Readwise Books is an ebook & audiobook platform that automatically logs how much you and your friends read, making it fun and easy to read more. Learn more →
Enter your email to continue. We'll create your account if you're new here.