Five on a Hike Together by Enid Blyton - USED

Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular series. In book ten, Dick is woken by a light flashing through his window. Is someone trying to send him a coded message? When the Famous Five hear of an escaped convict in the area, they are on red alert. The police won't help, so the Five have no choice - yet again, they'll be solving this mystery by themselves...