Return of the Ghost

Abby and her friends have a unique opportunity to participate in the tournament of the most talented and gifted children in America. This means that they will not only go to the cool Briar school and try to compete for the title of the smartest teenagers in the country, but they will also prove that they can be great spies. But in Briar, in addition to special tasks that require wit and knowledge, they will face many dangers. A ghost, a powerful criminal, is hunting for the treasure held by the students of Smith's school. However, neither Abby nor her team suspects that they possess something that could interest one of the main villains of the world.