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.

Ghosts of Rocky Beach In a sleepy town on the ocean coast live the boys Justus, Peter and Bob. They constantly find adventures for themselves. True, this time the adventures in the form of annoying aliens simply forced three detectives to investigate.

P.S. The book was published in the "Horror" series, but this is not a horror story, but a children's detective story, from the "Three Detectives" series. Author - Ulf Blanck.