The Lucy Wilson Mysteries: The Brigadier and the Bledoe Cadets

Lucy Wilson has lost her best friend. Normally this would cause her great distress, but when Hobo''s body is hijacked by her grandad, Brigadier Lethbridge-Stewart, Lucy is over the moon. Soon they are both hurtling back in time to 1937 and teaming up with Grandad''s old gang, the Bledoe Cadets.