Question: what are the best ebook sites?
Answer: Project Gutenberg. Project Gutenberg offers more than 57,000 free eBooks from the public domain. ... 
Open Library. Open Library is a non-profit Internet Archive that is open and an editable library catalog.
Google eBookstore. ... 
Amazon Free Kindle Books. ... 
Internet Archive. ... 
ManyBooks. ... 
BookBoon. ... 
LibGen/Library Genesis.