Project Gutenberg

Macbeth by William Shakespeare: http://www.gutenberg.org/ebooks/2264
Format: HTML, Kindle, EPUB, Plain Text UTF-8
These books can be read on any moblile device, like a ipad, nook, computer or laptop.

Beowulf by J.Lesslie Hall: http://www.gutenberg.org/ebooks/16328
Format: HTML, EPUB, Kindle, Plain Text UTF-8, and more files.
These books can be downloaded and read on basically any device that has internet, like the computer, tablet, ipad, and iphone.

The Picture of Dorian Gray by Oscar Wilde: http://www.gutenberg.org/ebooks/174
Format: HTML, Kindle, Plain Text UTF-8 and more files.
These books can be read on kindles, nooks, tablets, computers, ipads,and laptops.