Written publications, such as books, research reports and journal articles are the most important things to start your information retrieval. Books are
published both in printed and electronic form.
In the library online catalogues, such as Centria-Finna and Finna.fi you are able to browse lists of printed books, and you can also find links to Open Access e-books, theses and dissertations.
E-books can be accessed by PC, laptop or mobile device. Some of the e-books require you to be logged on to Centria's network.
Ebook Central 
offers ebooks in all academic subject areas. How to use Ebook Central
Ellibs offers e-books from various fields and mostly in Finnish. Log in to the service using the Haka-login of Centria UAS. Ellibs instructions: link
VLeBooks is a multidisciplinary e-book service. For example, e-books that were previously available on Dawsonera are available in this service. Guidance videos can be found here!
Directory of Open Access books is a search service for free online academic and peer-reviewed e-books. Instructions
Intech is the world's largest multidisciplinary publisher of open access books in the fields of Science, Technology and Medicine. The main subject area is currently Engineering, followed by Health Sciences, Life Sciences and Social Sciences.
The OAPEN Library contains books mainly in the area of Humanities and Social Sciences, but it also has sections for technology and engineering. All material in Oapen Library is open access.
SpringerOpen includes open access books and journals across all areas of science. All journals and books are high-level peer reviewed and made freely and permanently available online immediately upon publication. Explore the journals by subject