Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular series. In book twenty one, the Famous Five are camping out near the home of a famous scientist. But when his important research papers go missing, he needs the gang's help to get them back. Can the Five work out who took them? And why? The text in this edition has been sensitively edited for today's reader and is unillustrated.