In a world where magic is like software-behind schedule, over budget and full of bugs-one of the last bespoke magic houses must debug a dangerous demon spell to have any hope of surviving. The house of Harrold and Harrold have had their business cannibalized by Majick, the occulting system offered by the monopolistic Guild of Magicians. After his father's death, Jack Harrold has taken on the duties of sales agent, but pickings are...