Rover Boys in the Jungle
Author: first_name: Arthur M.
last_name: Winfield
Language: English
Year: 1899

Third entry in the then-popular boys' adventure series has the Rover brothers (Tom, Dick, & Sam) heading to Africa to search for their long-missing father, after a few more adventures at their upstate New York boarding school, Putnam Hall. - Summary by BellonaTimes

Arthur M. Winfield is a pen name used by the Stratemeyer Syndicate for the Rover Boys series.