The Billion Dollar Ransom is the 73rd title of the Hardy Boys series of mystery books for children and teens, published under the pseudonym Franklin W. Dixon.[1] It was published by Wanderer Books in 1982.
Plot summary
The Hardy boys help out when a magicians' tournament is threatened by mysterious happenings. Frank and Joe naturally catch the magician who kidnapped the President and all culprits by slowly closing in on their position and taking control.