“What!”
“Yes. He paid to be set ashore at Cherbourg.”
“Did he say where he was going?”
“Not a word.”
Frank returned to his friends and told them the news.
It was very exasperating, but the detective said:
“Let’s cross the bay of the Seine and inquire about him. We may get on his trail yet.”
This plan was carried out.
In a short time afterwards the aerostat landed near the city, and Frank left her again.
He soon came hastening back, his face aglow with pleasure, and cried, as he got aboard: