FlatWorld

FlatWorld is a Boston-based college textbook publisher on a mission to make high-quality course materials affordable for students. Founded in 2007 as Flat World Knowledge by publishing veterans Eric Frank and Jeff Shelstad, it pioneered low-cost, customizable digital textbooks before being acquired and rebranded in 2016 by Alastair Adam and John Eielson. Today FlatWorld offers 145+ peer-reviewed titles across 20+ disciplines, an auto-graded homework system, AI study tools, audiobooks and print-on-demand books - typically priced between roughly $25 and $42, a fraction of traditional textbook costs.