THE SECRET OF OLDSTONE HALL - IMPORTADO

Pete and Nicky are staying at Oldstone Hall. It is midnight, and they are sleeping. There is a noise. "What is it?" says Pete. Pete and Nicky go upstairs. Two men suddenly run past them. One man drops a book. "Look as this book", says Nicky. The book tells about a secret room. But where is it? And why do the men want to find it? are readers with a difference. Every two pages there is a puzzle to solve. The stories are carefully graded and are written for young teenagers.