Upon moving into their university residence, the twins discover a mysterious letter that hints of an unsolved murder.
Life at Bayfield University proves to be a real education as Tom undergoes a fraternity initiation and Annie's lab partner protests the use of animals in sci... read more
When Bayfield's star quarterback is accused of taking drugs, the twins make it their goal to clear his name.
The twins branch out into school politics when they support an environmental advocate's efforts to be elected to student government.
Annie's enthusiasm grows when Tom digs up a way to make her botany project germinate more effectively.
Paul learns a lesson about the power of persuasion when he's taken in by Annie's charismatic new tutor.
The stakes are high when the twins get involved in a treasure hunt while horseback riding.
Annie pointedly disapproves of Tom's involvement in a pyramid money-making scheme.
Tom and Annie conduct their own investigation to prove that the police have arrested the wrong man for a recent crime.
Tom is haunted by the possibility that he saw a ghost in an abandoned house, until Annie prompts him to conduct a scientific investigation.
The twins try to track down a hacker who's determined to crash the university's computer system.
A seemingly friendly travel agent forces Tom to take an unexpected trip into the world of international intrigue.
Lance's announcement that he's tying the knot has the twins at the end of their rope when they are put in charge of pulling the affair together.