What's particularly interesting is that they are publishing some of the books
digitally as PDF files that can be downloaded and kept on a variety of e-readers.
Not exact matches
A kind of digital
file that is frequently referred to
as an ebook but that isn't is the
PDF — the now - universal Portable Document Format invented by Adobe
as a way of distributing print documents
digitally.
The FDsys data set includes
digitally signed Federal Register
PDF files, which may be relied upon
as evidence in a court of law.