When Bobbie, Peter, Phyllis and their mother move to the country, near a railway line, a new life full of exciting adventures and new friends begins. However, a terrible secret is about to be revealed.

A classic story carefully adapted to suit the needs of learners of English at Elementary level. A large number of full-colour illustrations facilitate understanding. The activity section contains a variety of tasks on each chapter Components: Student's book (Story Book and Activity Section), Multilingual glossary.