Here are 10 websites where you can read books for free:

1. Project Gutenberg
   Website: www.gutenberg.org
   Offers over 60,000 free eBooks, mostly classics in the public domain.

2. Open Library
   Website: openlibrary.org
   A digital library initiative from the Internet Archive offering millions of free eBooks.

3. Google Books
   Website: books.google.com
   Provides free access to many books, including previews and full texts of public domain works.

4. ManyBooks
   Website: www.manybooks.net
   Offers over 50,000 free eBooks in a variety of genres.

5. LibriVox
   Website: librivox.org
   Provides free audiobooks from the public domain, read by volunteers.

6. Internet Archive
   Website: archive.org
   A massive digital library offering millions of free books, movies, software, and more.

7. Feedbooks
   Website: www.feedbooks.com
   Offers thousands of public domain books for free download in multiple formats.

8. BookBub
   Website: www.bookbub.com
   While mainly a platform for discounted books, it also offers a selection of free eBooks.

9. Standard Ebooks
   Website: www.standardebooks.org
   Produces free, high-quality, beautifully formatted editions of public domain eBooks.

10. Smashwords
    Website: www.smashwords.com
    Offers a large selection of free eBooks, including indie works across various genres.