Dennis the Menace is in big trouble and his friends have asked the Guardian children's books site to help. Find out how in this exclusive cartoon, fill in the missing words in the last panel and you could win your own Dennis the Menace cartoonBeanotown is in crisis! Dennis the Menace has been locked up, accused of stealing the mayor's gold chain, and so Minnie the Minx and the Bash Street Kids have come to the Guardian to see if we'll launch a campaign to help clear Dennis's name. But what does the headline on the newspaper say? Have a good look at the cartoon (you can enlarge it by clicking on the magnifying glass in the right hand corner) ...