Weiner, Ellis

Abigail and John Templeton find themselves at TAPAS (the Thespian Academy of the Performing Arts and Sciences) where their father, the illustrious Professor Templeton, has been hired to invent a groundbreaking theatrical device. Once again, there is drama (of course!), silliness, and suspense, as the twins must thwart the dastardly Dean brothers in order to save the invention as well as their father.

Abigail and John, the Templeton twins, and their dog Cassie, foil a pair of inept kidnappers intent on stealing one of their father's newest inventions.

Professor Templeton has been hired by the Thespian Academy of the Performing Arts and Sciences to invent something, anything, important (and profitable) but the thirteen-year-old twins, Abigail and John, are suspicious and determined to investigate.

Abigail and John, the Templeton twins, and their dog Cassie, foil a pair of inept kidnappers intent on stealing one of their father's newest inventions.