
It's double trouble for America's favourite girl detective when Owen Zucker, a sweet young boy Nancy has often babysat, is missing and a shorestone marker found on the coast of California, which may prove the Chinese discovered America in 1421 - before Columbus - is stolen. Will...

It's double trouble for Nancy and her friends, when an ancient artifact and a little boy are both suddenly missing. The artifact is a piece of an old stone marker that may prove that the Chinese were in America eighty years before Columbus. The little boy is Owen Zucker, a sweetie...

When an ancient artifact and a little boy go missing, Nancy and her friends are on the case. The artifact may prove that the Chinese discovered America prior to Columbus, but someone doesn't want that knowledge public and is out to stop Nancy.