After their stirring adventures on the Great Lakes, and especially on Needle Point Island in Lake Huron, the Rover boys were glad enough to get back to dear old Putnam Hall and to their studies, even though the latter were something of a "grind," as Tom declared. They all loved Captain Victor Putnam, the owner of the institution, and it may be added here that the captain thought as much of the Rovers as he did of any of the scholars under him, and that was a good deal.
The coming of Jasper Grinder as a new under-teacher was a shock to many of the boys at the school. The principal teacher under Captain Putnam was Professor George Strong, who was stern but fair, and almost as well liked as the captain himself, and there were now several others, all of whom were on a good footing with the scholars. What had induced the captain to take in such a dictatorial and harsh master as Jasper Grinder was a mystery which nobody could explain.
As a matter of fact, Grinder had come into the Hall under a misrepresentation. He was from the Northwest, and claimed to have been a professor at a well-known California college. It was true he had once taught at this college, but his record was far from being as satisfactory as Captain Putnam had been led to believe. It was true he was a learned man,—quite the opposite of
