The audience gasped as Lyra read extracts standing, her clothes seemingly unsupported. Scores of copies were sold afterwards, each entirely blank, each signed in invisible ink.
Once the last customer had departed, Ralston packed away the discreet PA system with Lyra’s pre-recorded voice, the clothes, the cunningly-concealed clothes hoist, and the remaining blank books.
Easy money, Ralston thought, wondering if Glaswegians would be as gullible tomorrow.