PREFACE.
"Off for Hawaii" is a complete story in itself, but forms the third volume of a line of books issued under the general title of the "Flag of Freedom Series."
In the present work we have the same boy heroes who figured in "When Santiago Fell" and "A Sailor Boy with Dewey," but once again the scene is shifted, and we are taken to the Hawaiian Islands, so recently annexed to the United States, on a hunt for a pearl treasure secreted in a cave overlooking the great volcano Kilauea.
My main object in writing this tale of adventure was to acquaint American boys with some of the sights to be seen throughout Hawaii, taking in Honolulu, Wailuku, Hilo, the great volcano, and numerous other places of interest. The subject is a most fascinating one, and well worthy of a more extended description than I have given it.
It may seem to some that the adventures of the boys are overdrawn, but this is hardly a fact. Hawaii is, comparatively speaking, a new coun-
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