Guest from the depths. Stein R.L.

William DeP-the younger, fearless conqueror of the sea depths-this imagines the young Billy, relaxing with her sister Shina on the schooner "Cassandra", which belongs to his uncle-scientist. But this year, reality will surpass any fantasies - after all, the coral reef, near which Kassandra abandoned anchor, is fraught with many puzzles. There are even rumors about the mermaid inhabiting in these waters, and Billy lights up with the desire to catch her. But an amazing meeting with the guest from the depths will not bring him happiness...