Sophie read:

“Go and catch a falling star,

Get with child a mandrake root,

Tell me where all past years are,

Or who cleft the Devil’s foot.

Teach me to hear the mermaids singing,

Or to keep off envy’s stinging,

And find

What wind

Serves to advance an honest mind.

Decide what this is about

Write a second verse yourself”

It puzzled Sophie exceedingly. It was not quite like any of the spells she had snooped at before. She plowed through it twice, not really helped by Michael eagerly explaining as she tried to read. “You know Howl told me that advanced spells have a puzzle in them? Well, I decided at first that every line was meant to be a puzzle. I used soot with sparks in it for the falling star, and a seashell for the mermaids singing. And I thought I might count as a child, so I got a mandrake root down, and I wrote out lists of past years from the almanacs, but I wasn’t sure about that—maybe that’s where I went wrong—and could the thing that stops stinging be dock leaf? I hadn’t thought of that before—anyway, none of it works!”

“I’m not surprised,” said Sophie. “It looks to me like a set of impossible things to do.”

But Michael was not having that. If the things were impossible, he pointed out reasonably, no one would ever be able to do the spell. “And,” he added, “I’m so ashamed of spying on Howl that I want to make up for it by getting this spell right.”

“Very well,” said Sophie. “Let’s start with ‘Decide what this is about.’ That ought to start things moving, if deciding is part of the spell anyway.”

But Michael was not having that either. “No,” he said. “It’s the sort of spell that reveals itself as you do it. That’s what the last line means. When you write the second half, saying what the spell means, that makes it work. Those kind are very advanced. We have to crack the first bit first.”

Sophie collected her blue triangles into a pile again. “Let’s ask Calcifer,” she suggested. “Calcifer, who—?”

But this was yet another thing Michael did not let her do. “No, be quiet. I think Calcifer’s part of the spell. Look at the way it says ‘Tell me’ and ‘Teach me.’ I thought at first it meant teach the skull, but that didn’t work, so it must be Calcifer.”

“You can do it by yourself, if you sit on everything I have to say!” Sophie said. “Anyway, surely Calcifer must know who cleft his own foot!”

Calcifer flared up a little at this. “I haven’t got any feet. I’m a demon, not a devil.” Saying which, he retreated right under his logs, where he could be heard chinking about, muttering, “Lot of nonsense!” all the rest of the time Sophie and Michael were discussing the spell. By this time the puzzle had got a grip on Sophie. She packed away her blue triangles, fetched pen and paper, and started making notes in the same sort of quantities that Michael had. For the rest of the day she and Michael sat staring into the distance, nibbling quills and throwing out suggestions at one another.