Amazon is offering 300 free eBooks for Prime members. These are AmazonClassic editions, including The Time Machine and The War of the Worlds by H.G. Wells, A Midsummer Night’s Dream by William Shakespeare, and Tarzan of the Apes by Edgar Rice Burroughs. You can find them here, but double-check that the price is $0 before clicking the Buy button.
Some of the books include free audible versions.
You can read these ebooks on a Kindle, and any portable device with the free Kindle app installed, and on any PC.
You can find a list of some of the most popular titles in this blog post at The Gate.