Grinny (Puffin Books)

About this book

Great Aunt Emma is no ordinary old lady. But why is she so strange? For a start she just appeared grinning on the doorstep as if from nowhere. Why have Mum and Dad never mentioned her beforeafter all she is supposed to be Grannys sister isnt she? Soon Tim and Beth start noticing more and more odd things about the great-aunt theyve nicknamed Grinny. And before long they make a horrifying discovery. She isnt even human shes as dangerous as a time-bomb and she has a fearful task to perform which involves them