Why are are some Kortext e-textbooks available as PDFs and others are not?
Answer
Kortext e-textbooks are available in one of two file formats – EPUB and PDF – depending on which format the publisher allowed Kortext to upload to their platform. The publishing standard for e-books and e-textbooks is the EPUB format because this is more versatile and accessible, though some users may find PDFs easier to navigate through. However, publishers may only have a PDF version of a book (perhaps because it was digitised from print or the electronic proofs don't exist) and occasionally this is the only format Kortext can use. Wherever possible, we try to obtain EPUB versions of e-textbooks from Kortext, but sometimes only PDF versions are available.