"Keeper's Cottage!" Tilly cried.

"That's right. And I'm going back tomorrow. Looking for a navigator. Want to come?"

Johnny and Tilly both started speaking at once. Tilly said, "You mean it's finished?" and Johnny said, "Can I come, too? I'm a much better navigator than she is."

Kim beamed at them both. "Yes, it's finished, all except for the electronics. And you can both come."

"Finished," Tilly said. "However did you do it so quickly?"

"I have a lot of ...