Media Source Inc. (MSI) is an American company based in

Plain City, Ohio Plain City is a village in Madison and Union counties in the U.S. state of Ohio, along Big Darby Creek. The population was 4,225 at the 2010 census. According to the official website, their mission statement is "to govern with integrity and fi ...

. It began in 1980 as Pages and changed its name in March 1999. It owns Horn Book, including ''

The Horn Book Magazine ''The Horn Book Magazine'', founded in Boston in 1924, is the oldest bimonthly magazine dedicated to reviewing children's literature. It began as a "suggestive purchase list" prepared by Bertha Mahony Miller and Elinor Whitney Field, proprietres ...

'',

Junior Library Guild Junior Library Guild, formerly the Junior Literary Guild, is a commercial book club devoted to juvenile literature. It was created in 1929 as one of the enterprises of the Literary Guild, an adult book club created in 1927 by Samuel W. Craig and H ...

, Library Hotline, '' Library Journal'' (acquired in 2010), and ''

School Library Journal ''School Library Journal'' (''SLJ'') is an American monthly magazine containing reviews and other articles for school librarians, media specialists, and public librarians who work with young people. Articles cover a wide variety of topics, with ...

'' (acquired in 2010), and '' Digital Shift''. All of these holdings are under its subsidiary MSI Information Services, the primary

trade name A trade name, trading name, or business name, is a pseudonym used by companies that do not operate under their registered company name. The term for this type of alternative name is a "fictitious" business name. Registering the fictitious name w ...

under which the company does business. MSI was purchased by the

private equity firm A private equity firm is an investment management company that provides financial backing and makes investments in the private equity of startup or operating companies through a variety of loosely affiliated investment strategies including lev ...

RLJ Equity Partners in 2011. RLJ Equity Partners, LLC Announces the Acquisition of Media Source, Inc.
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References

External links

* Magazine publishing companies of the United States Companies based in Ohio Union County, Ohio Publishing companies established in 1980 1980 establishments in Ohio {{US-publish-company-stub