WASHINGTON As of today all PDF versions of books published by the National Academies Press will be downloadable to anyone free of charge. This includes a current catalog of more than 4,000 books plus ...

Amazon announced in December that publishers and authors who submit books to the Kindle Bookstore via Kindle Direct Publishing will have the option to make their books truly DRM-Free. The books will ...

PDF Drive is a search engine for PDF files. This website is completely free to download PDF files. Also, there is no download limit and the website does not display any annoying ads. Therefore, you ...

But there's always a catch.