It’s easy to summon a demon

You’ll need paper, a pencil, and something to lean on

A wide, flat space and a chunk of chalk

A parrot or raven you’ve taught to talk

A brace of candles in candlestick-holders

Two contracts in two foolscap folders

A sound-proofed room with a double-locked door

A key that’s never been used before

A cloth, a towel, a bottle of water

A looking-glass and a vicar’s daughter

An hour of your time, a year off your life

A conscience that’s clear and a tongue like a knife

An iron-strong will and a singular aim

A clean length of twine and a secret name

And then, only then, you’ll be ready to start

Oh, I hope you’ve thoroughly practised your Art?

If you haven’t, God help you, and all of your kin

You’ve no idea of the mess that you’re in!