Victor Appleton 
Tom Swift Omnibus #5: Tom Swift in Captivity, Tom Swift and His Wizard Camera, Tom Swift and His Great Searchlight [EPUB ebook] 

Tom Swift Omnibus #5 contains a trio of stories: In the thirteenth of Victor Appleton’s original Tom Swift novels, Tom is sent to procure a South American giant for a circus sideshow act. In the fourteenth of Victor Appleton’s original Tom Swift novels, Tom is engaged to construct an electric motion-picture camera and gather newsreel footage. In the fifteenth of Victor Appleton’s original Tom Swift novels, Tom invents a searchlight for the purpose of tracking down smugglers.