Electronic books are mainly available from Dawsonera (these are purchased ebooks or ones for preview/rental), plus other e-book websites:

Name Description
Alex Catalogue of Electronic Texts A collection of public domain documents from American and English literature as well as Western philosophy.
BookBoon Free books available for students to download in PDF format.
Classic Bookshelf Classic books in electronic format, with an option to customise page and font.
The Complete Works of William Shakespeare The poetry will be included at a later date.
Dawsonera Dawsonera reading list ebooks, plus a 5-minute preview of other ebooks. You will need to log in with your User ID and password to access Dawsonera from off campus.
Ebsco Discovery eBook Collection (EBSCOhost).
Project Gutenberg The oldest publisher of free e-books on the Internet.
Online Economics Textbooks Published by the Economics Department of the State University of New York (SUNY), Oswego.