A fantasy story about the most mysterious place on Earth, a frightening representation of our near future. The dangerous adventures of 16-year-old Leon in the depths of the Pacific Ocean from the author of the bestsellers "Children of the Forest" and "Children of the Sea" Katya Brandis.<br> <br> Leon is an unusual guy, he is part of an elite group of young divers who can move freely at depths up to 1000 meters. Together with Lucy the octopus, with whom they communicate mentally, Leon explores the unexplored depths of the sea. But suddenly it seems to go crazy… <br> "Death zones" are spreading at the bottom — marine life is leaving the water, and panic breaks out on land. During a dangerous dive, Leon and Lucy make a fatal discovery — and suddenly find themselves the target of a powerful corporation. What awaits them? And will they find allies on land?<br> <br> Hundreds of thousands of teenagers have already fallen in love with the exciting stories of Katya Brandis. More than 600,000 copies of the author's books have been sold in Russia. Everyone who grew up on the series "Children of the Forest" and "Children of the Sea" will definitely like a separate book "The Call of the Deep". It was written by Katya Brandis together with a professor of biological sciences, while the story is very light, fans of the marine atmosphere and the secrets that the depth hides will like it. <br> Inside there are black and white vignettes inspired by the marine atmosphere of the book, a map on the flyleaf and a dictionary of marine terms.<br> For readers over 14 years old.