BOBBY BLAKE AT BASS COVE, OR THE HUNT FOR THE MOTOR BOAT GEM by Frank A. Warner, Whitman hardcover (c) 1915. Nice vintage book which includes the original dust jacket.
Created by the Stratemeyer Syndicate, the 12 volume Bobby Blake series by Frank A. Warner was originally published from 1915 to 1926 by Barse & Hopkins. The series was later reprinted by Barse & Co (1-12), Grosset & Dunlap (1-12), and Whitman (1,2). "True stories of life at a modern American boarding school. Bobby attends this institution of learning with his particular chum and the boys have no end of good times. The tales of outdoor life, especially the exciting times when engaged in sports against rival schools, are written in a manner so true, so realistic, the the reader, too, is bound to share with these boys their thrills and pleasures." - Barse & Hopkins advertisment. --from the Series Books website