'The light fell on the window first, and Anne saw something that gave her a terrible shock. She screamed loudly ...'
Just as the Five are relaxing into the holidays, a burglar breaks into their uncle's study, searching for top-secret documents! And when George and Timmy mysteriously disappear, Julian, Dick and Anne must track them down/ Is the burglary linked to their disappearance - and what dangers must they overcome to find them?
This softback book written by Enid Blyton with inside illustrations by Eileen Soper was originally published in Great Britain in 1950. This edition was published in 2016.