Ruby Redfort feel the fear

Description:

Ruby Redfort: supercool secret agent, code-cracker and thirteen-year-old genius The fourth book in the scarily awesome Ruby Redfort series, by multi-million-copy bestselling author Lauren Child. This time Ruby must pit her wits against a seemingly invisible foe. How do you set your sights on catching a light-fingered villain if you can't even see him...?

subjects: Juvenile fiction,  Ruby Redfort (Fictitious character),  Children's stories,  Adventure stories,  Parkour,  Intelligence officers,  Thieves,  Invisibility,  Teenage girls,  Children's fiction,  Adventure and adventurers, fiction,  Spies, fiction,  Robbers and outlaws, fiction,  Mystery and detective stories,  Code and cipher stories