The Case of the Diligent Detectives
The Case of the Diligent Detectives is the fourth story in a series about ten-year-old students in Brockville, Ontario, Canada who have formed a detective club. Bobby is now the President of the club and wants everyone to be more diligent. He wants to explore the mystery of blotches on the grass which may be caused by laser beams from alien spacecraft hovering over Brockville. Can it be true?