Introduction: The current library configuration has been modified. The main point of change relates to dematerialization of their collections, namely the creation of digital archives. Although the presence of e-books such information environments is increasingly common, there are still many issues to be discussed in relation to the acquisition and access to these resources. Objective: To analyze the presence of e-books in the collections of international national university libraries and to raise issues related to the acquisition and dissemination of these works. Methodology: This is a qualitative research with literature review, it analyzed of the websites of these libraries and it was applied questionnaires sent by e-mail to the ...