Collins brings the Queen of Crime, Agatha Christie, to English language learners. Agatha Christie is the most widely published author of all time and in any language. Now Collins has adapted her famous detective novels for English language learners. These carefully abridged versions are shorter with the language targeted at learners of English. Late one night, two teachers investigate a mysterious light in the school Sports Pavilion. Among the tennis racquets and lacrosse sticks, they find the body of the unpopular games mistress - shot through the heart. Schoolgirl Julia Upjohn knows too much, and begins to worry that she might be the next victim. Can detective Hercule Poirot find the killer before the `cat' strikes again?