"How to draw power from the magical core inside you" – a dull self-help book full of pep talks that did him no good, but since there was nothing else to do, he read it several times. An address in Salazar's handwriting had been scrawled inconspicuously between two paragraphs in the middle section, and sure enough, squatting in the alley, he spotted it again, stunned. The same book. The address had led him, shivering and battered, to a derelict greenhouse.