Brothers Frank and Joe Hardy race to track a theme park killer before the park is closed down for good, but keep running into dead ends while trying to narrow down the suspect list.
Frank and Joe Hardy plan to compete in the local arcade tournament, agreeing the winner will get to move into the cool new room built by their dad, and when money goes missing from the competition, they work together to solve the mystery.
"Bayport Elementary's annual science fair is here, and Frank, Joe, and their friend Phil are determined to win. But the morning of the fair, Phil discovers that their awesome homemade robot has gone missing!"--Back cover.
Frank and Joe Hardy investigate the murder of Evan Davis, a runaway teen who was pushed off a subway platform in New York City, and find a host of suspects including the boy's father, a politician who would rather keep his son's identity a secret.
The Hardy Boys travel to New York City to investigate death threats received by the movie star Anya Archer and find each person on the set of the movie "Deathstalker" to be a suspect and a potential victim.
Frank and Joe Hardy are sent to FanCon, a science fiction and comics convention, to find out who is threatening Anya Archer, the star of the upcoming movie "Deathstalker" and uncover a long list of likely suspects.
Young Frank and Joe Hardy are on the case when the actor who plays the comic character Morpho the Morph Monster comes to town for a fan day only to have his famous Morpho Spork go missing.
