This book is part of the "Wonder Island Boys" series, which follows the adventures of two brothers, Ralph and Jack Rover, as they navigate various challenges and encounters on different islands. In "Conquest of the Savages," Ralph and Jack likely find themselves facing off against indigenous tribes or hostile forces as they explore new territories.Roger Thompson Finlay's series is reminiscent of other adventure stories aimed at young readers, with its emphasis on exploration, discovery, and the thrill of adventure. The "Wonder Island Boys" series offers readers a captivating and imaginative journey to exotic and mysterious locations, where the possibilities for adventure are endless.