III, Morgan, III Charles E. Morgan 
Case of the Spy’s Revenge [EPUB ebook] 

Things seem to be going well for Brains Benton and Jimmy Carson of the Benton and Carson International Detective Agency, when suddenly some strange things start to happen. Things go from bad to worse when they wind up being framed for arson! Join Operative Three and X as they try to capture one of the most dangerous criminals they’ve ever encountered!