'The cat himself knows and will never confess...'To celebrate Old Possum's 75th anniversary we have commissioned lively new illustrations from Rebecca Ashdown for T. Eliot's original book of Practical Cats. Mr Mistofelees, the Original Conjuring Cat; 'The cat himself knows and will never confess...' To celebrate Old Possum's 75th anniversary we have commissioned lively new illustrations from Rebecca Ashdown for T. S. Eliot's original book of Practical Cats. Featuring Macavity, the Mystery Cat; Mr Mistofelees, the Original Conjuring Cat; Mungojerrie and Rumpelteazer and all the gang, this is a must for every child's bookshelf and is a great companion to the Andrew Lloyd Webber stage show.