159pp, 160pp; 450g. Illustrated boards, presentation certificate glued to fep, light edgewear, pages age-toned. "The Mystery of the Moss-Covered Mansion" - Nancy and her father rush to the defence of Mr Billington who has been arrested and charged with sending a truck loaded with explosives to the Kennedy Space Centre. "The Hidden Staircase" - Nancy's friend, Helen Corning, asks her to try to solve the mysterious happenings at Twin Elms. The house seems to be haunted and a precious pearl necklace has been stolen.

Nancy Drew