Strange things are happening in Pondville and the surrounding towns. Youngsters are missing, residents are afraid, and the pond is losing water. Sheriff Harry and the deputy sheriffs are pulling together to solve the mysteries. Meanwhile, Professor Ludwig is busy developing new gadgets to help with the investigation, and the eagle squadrons are called in to assist in searching for the kidnappers … while spies are watching and plotting to take Ludwig hostage. Danger, thrills, and ingenious gadgets are at play. Will good triumph over evil? How will Harry deal with the nasty, wily criminals—if he finds them?
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