FlatWorld is a publisher of college-level textbooks and educational supplements for a worldwide audience[1][2][3][4] founded in 2007 as Flat World Knowledge by Eric Frank and Jeff Shelstad.

[5] It was acquired at the end of 2016 by Alastair Adam and John Eielson and its company headquarters was moved from Washington, DC, to Boston, Massachusetts.

In 2007, Flat World Knowledge was founded by Jeff Shelstad and Eric Frank in Nyack, New York.

[24] In late 2016, Flat World Knowledge was acquired by Alastair Adam and John Eielson and rebranded as FlatWorld.

Flat World Knowledge partnered with Bookshare to provide books using an electronic Braille format.