"Do you think a mouse with wings would be happy? I think they might get in the way," she says.

"I don't think they would get in the way for a well-designed winged mouse."

"How would you design a good one?"

"I would think about how mice are shaped, and how wings work. I already did some of the thinking about how wings work when I made Rainier for Céleste."

"Could you design a good winged mouse, and show me, but not make an alive one yet?"

"Of course. What color would you like your not-alive-yet winged mouse?"

"Grey," says Hyacinthe.

"All over?"

She nods.

"All right." Belle thinks about mice, and spends a pentagon, and eventually she has the requisite skeleton alterations picked out. She conjures up an illusion of a dove-grey mouse with a twelve-inch feathery wingspan.

"Pretty," says Hyacinthe.

Hyacinthe smiles.

Belle dismisses it. "You may have one if you like, although you would need to look after it as Céleste does with Rainier."

"How do you look after a mouse with wings?"

"You would need to feed it - mice can eat most anything and so could one with wings - and make sure it had water and exercise. I would make it so it would be okay if it got lost - in case one day you don't want it anymore and you set it loose - but if you do lose it, you won't have it."

"How do I not lose it?"

"You could put a little leash on it, or train it to come when you call it, or keep it in a cage most of the time."

Hyacinthe thinks about this.

"Rainier comes when Céleste calls him and he's also much larger than a mouse, so he would be harder to lose."

"A mouse with wings shouldn't be in a cage," she says. "And I don't think a leash would be very nice either. But I don't know how to make a mouse come when I call it."

"I could enchant it that way. If you want to train it, then you will need to do something else in the meantime while it is still being trained."

"I will think about it," Hyacinthe decides.

"All right." Belle pets her hair. "Anything else on your mind apart from winged mice?"

Hyacinthe shakes her head and hugs her Maman.