How to get into this book. Knock at the Knocker on the Door, Pull the Bell at the side, Then, if you are very quiet, you will hear a teeny tiny voice say through the grating “Take down the Key.” This you will find at the back: you cannot mistake it, for it has F. F, in the wards. Put the Key in the Keyhole, which it fits exactly, unlock the door and Walk In. — Half title verso.