Collins brings the Queen of Crime, Agatha Christie, to English language learners.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 hasadapted her famous detective novels for English language learners. These readers have beencarefully adapted using the Collins COBUILD grading scheme to ensure that the language is at thecorrect level for an intermediate learner. This book is Level 4 in the Collins ELT Readers series. Level4 is equivalent to CEF level B2 with a word count of 20,000 – 26,000 words.When famous actress Marina Gregg buys Gossington Hall, she wastes no time in introducing herself and her husband to their new neighbours by throwing a charity fête. Everyone is enjoying seeing around the beautiful house and gardens, until tragedy strikes – Heather Badcock has been poisoned. But who would want to kill Heather? And how, in the middle of a busy party, did they do it?