Looking for something to read this summer? How about you try some of the classics from Project Gutenberg (https://www.gutenberg.org/).
Project Gutenberg focuses on the world's great literature, for which the U.S. copyright has expired. You can chose to read these free books as an epub, on a regular web browser, or with an eBook reader, such as Kindle eBooks.
They offer over 58,000 free eBooks digitized and diligently proofread by volunteers, for enjoyment and education.