Completing the transaction goes smoothly. She gives him a short list of names and contact numbers culled from her go-to book, and carefully wraps the tiny bottle in a bubble-wrap before boxing it up for him.

"Now, do you want to pay for these now, and I'll bill you for the spell when we deliver it? Or do you want to start an account here, and you can pay for the spell in advance, at a discount?"

The itemized list of charges adds up to rather a high figure.