International standards body for the book and serial supply chain.

EDItEUR is an international nonprofit organization based in London that develops and manages standards for the global book and serial supply chain. Founded in 1991, it maintains key metadata standards including ONIX for Books (a rich XML format for communicating product information between publishers, distributors, and retailers), Thema (an international subject classification scheme), and other identifiers and data exchange standards used across the publishing industry worldwide.