origin united states headquarters location plain city ohio publication types magazines official website www.mediasourceinc.com media source is an american company based in plain city ohio . it began in 1980 as pages and changed its name in march 1999 . 1 it owns horn book including the horn book magazine junior library guild library hotline library journal acquired in 2010 2 and school library journal acquired in 2010 . 2 also among its products is digital shift . 3 media source was purchased by the private equity firm rlj equity partners in 2011 . 4 references edit company overview of media source inc. . bloomberg businessweek . retrieved 10 april 2012 . a b library journal bought by ohio based media source inc. . lis news . march 1 2010 . retrieved 10 april 2012 . about digital shift media source retrieved may 2014 check date values in access date help rlj equity partners llc announces the acquisition of media source inc. external links edit official website v t e media source digital shift junior library guild the horn book magazine school library journal library journal infodocket library hotline this article about a united states publishing company is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title media source & oldid 683226929 categories companies based in ohiounion county ohio1980 establishments in ohiounited states publishing company stubshidden categories cs1 errors datesall stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 28 september 2015 at 23 36 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view