A seventeen-year-old senses she is being spied on and probably impersonated, but when she discovers what actually is occurring, it is more unbelievable than she ever imagined.

When Margaret and Steve Frawley come home from a black-tie dinner in New York, their three-year-old twins, Kathy and Kelly, are gone. The police find the babysitter unconscious, and a ransom note demanding eight million dollars. Steve's investment firm puts up the money, but when they go to retrieve the twins, only Kelly is in the car. The dead driver's suicide note says he accidently killed Kathy. At the memorial, Kelly tugs Margaret's arm and says:...

When Alfie McQuinn, the notorious jewel thief, is killed on a job, his last words to his son, March, are to "find jewels" and this instruction leads the boy to Jules, the twin sister he never knew he had--and the perfect partner to carry on the family business.

Successful steeplechase jockey Christmas "Kit" Fielding finds himself attacked, chased, kidnapped, and knifed when he comes to the aid of his twin sister Holly and her husband, Bobby Allardeck, star-crossed lovers. --

The Children of Dune are twin siblings Leto and Ghanima Atreides, whose father, the Emperor Paul Muad'Dib, disappeared into the desert wastelands of Arrakis nine years ago. Like their father, the twins possess supernormal abilities -- making them valuable to their manipulative aunt Alia, who rules the Empire in the name of the House Atreides. Facing treason and rebellion on two fronts, Alia's rule is not absolute. The displaced house Corrino is plotting...

Twins, Grace and Marty, along with a mysterious uncle, are dropped into the middle of the Congolese jungle in search of their missing photojournalist parents.

Ling and Ting are identical twins that people think are exactly the same, but time and again they prove to be different.

Two brothers--one American, the other German-- fight World War II on opposite sides as pilots. They are twins who were separated when their American father died and the German mother returned home with only one. The German is ordered to impersonate the American in a plot to assassinate an American general.

It was a story that couldn't possibly be true: identical twins, separated at birth. Anna Drury wouldn't have believed it, but the woman standing before her was physically alike her in every way, and held in her hands a keepsake baby bracelet, the same as Anna had. How could it be? Anna, with her tall, strong husband and two adorable children, grew up loved and secure, and she freely opens her heart to others, so she embraces the idea of her new-found...

Twelve-year-old identical twins Jay and Ray have long resented that everyone treats them as one person, and so they hatch a plot to take advantage of a clerical error at their new school and pretend they are just one.