The Hardy Boys Unofficial Online Resource [ Profile ] - Features character profiles, articles, series history, reference books, title checklist, polls, a FAQ, and a record of Frank and Joe's travels.

	The Hardy Boys in Norway [ Profile ] - Provides a Norwegian history of the series, cover scans, back cover text, title information, and publishing timeline.

	Leslie McFarlane - Haileybury [ Profile ] - Hometown tribute to the first series author. Includes biography, title lists, reunion information, and an analysis of whether Haileybury is really the fictional Bayport.

	SkyWarp's Hardy Boys Casefiles [ Profile ] - Focuses on the Casefiles series. Includes cover scans, character appearances, locations guide, organization profiles, forums, book summaries, wallpaper, and site updates.

	Who Wrote the Hardy Boys? [ Profile ] - Discusses the individuals who outlined, wrote, edited, and revised each book in the series under the collective pen name of Franklin W. Dixon. [PDF Format]

	Matt's Hardy Boys Books [ Profile ] - Features cover scans of various editions of the series, dust jacket and endpaper styles, publication dates, and identification notes.

	Stratemeyer Syndicate: The Hardy Boys [ Profile ] - Article discussing Edward Stratemeyer, his publishing syndicate, and the origins and development of the series. Includes cover art, adaptations in other media, and appraisals information.

	Gary's Hardy Boys Books [ Profile ] - Includes biography of Franklin W. Dixon, canon overview, message board, and a list of collected editions.

	Hardy-Boys.com [ Profile ] - Bi-monthly newsletter devoted to the series. Includes interviews, news, book reviews, collectibles overview, fan fiction, image gallery, and a message board.

	Hardy Detective Agency [ Profile ] - Fan site with information about the books and Hardy Boys fan fiction.

	The Hardy Boys Files [ Profile ] - Fan site includes fan fiction, fan art, quizzes, polls, book lists and descriptions, and character information.