The three detectives are his young friends Bob Andrews, Pete Crenshaw and Jupiter Jones. They live in a town near Hollywood. Their stronghold is a salvage warehouse, their headquarters is an old caravan in which they have equipped a crime laboratory. Their agency "Three Detectives" reveals any secrets, riddles and puzzles. Friends-detectives boldly take on the most important and complicated cases and bring them to the end with honor.

GREETINGS OUR DEAR READERS! New adventures of the “three detectives” take place this time on and under water. But even in those cases when they do not have solid ground under their feet, the brave detectives do not get lost and come out of the most difficult situations with honor. The most amazing thing in this story about an extraordinary whale is his friendship with people and his willingness to help. Honestly, it just amazed me. I hope you will read this exciting story with equal interest.

Alfred Hitchcock