Free access to scholarly content for every reader in the world.
Knowledge Unlatched has made it possible for anyone in the world with an Internet connection to read books published through the Knowledge Unlatched project for free. A PDF Open Access version of unlatched books is available from OAPEN and HathiTrust if enough pledges are secured immediately after the pledging period ends or upon publication if the title is new. The Open Access version does not not carry DRM restrictions.
All KU titles are discoverable in OAPEN’s Directory of Open Access Books, HathiTrust’s Digital Library and through library discovery tools that include: EBSCO Discovery Service, Summon and Ex Libris. Books are also listed in the Directory of Open Access Books (DOAB).
By building a sustainable market for Open Access books, readers in all markets, including the world’s poorest, can gain the widest possible access to high-quality scholarship.
Discover our titles
You can find the PDF and EPUB Open Access versions of our titles on OAPEN and HathiTrust. Just click on one of the buttons at the bottom of this page to access the Knowledge Unlatched titles.