Bob expects, next summer, to act as guide to a party of scientific men, who have expressed a desire to have a look at that geyser. We should like much to accompany them, for they will be sure to hear some thrilling stories of that wonderful ride in the dark, which resulted in solving the Mystery of Lost River Canyon.
THE END.
Specimen Cover of the Gunboat Series.
The
Famous
Castlemon
Books.
BY
Harry