He was a long time finding Felix; a much longer time finding Drew Lane and Tom Howe, who were out on a hot scent. It was dark when he at last led them to the street that faces the lake where the gaunt towers of the deserted Fair grounds hung dark against the sky.

CHAPTER XVI
A STRANGE TREASURE

In the meantime, the girl from Kansas who had found a home on Maxwell Street had made a rather wonderful discovery and found herself well on the road to adventure.

At the moment Johnny and the two young detectives arrived at the street of the “House of Magic,” far away on Maxwell Street Grace Krowl was staring into the friendly eyes of a white-haired book seller and saying, “Do—do you think it is val—valuable?”

“Valuable!” Frank Morrow, the genial, white-haired proprietor of the little book shop on Peoria, just off Maxwell Street, stared at her over his glasses. “Valuable! My child, if that signature is genuine it is priceless.” For the second time he held a ponderous volume, an ancient Bible with hand-tooled leather cover, to the light and read aloud:

“‘As a token of gratitude for a great service done to our nation and to the crown.

Her Majesty, the Queen,

Elizabeth.’”

“If that signature is genuine,” he repeated, “and I have little doubt of it, this book is worth thousands of dollars.”

“Thing is,” Grace sighed, “to find the rightful owner.”