A missing father, a burglary and a box with a hidden secret.
In this exciting adventure story twins Harry and Charlie scour Edinburgh to find their missing dad. But why are others determined to stop them? And how is a strange wooden box linked to his disappearance?
The twins soon find they are in terrible danger but push themselves to the limits in their attempt to outwit those who are holding their father.
Barbara Mitchelhill will be doing an event with the Scottish Book Trust in October.
Barbara Mitchelhill was born in Rochdale and trained as a teacher. While she was teaching, she began writing for BBC children's TV and went on to write for educational publishers, before writing novels for children. She makes school visits all over the country, and enjoys appearing at literary festivals and talking to teachers and librarians, some as far away as the Caribbean. Her hobbies include reading, theatre, music, gardening and walking her border terrier, Ella. She lives in Staffordshire and has two grown-up daughters.