How do you read a book online for free?

To read a book for free online, you find a web site that offers books for free. Search for the book you want. Depending on the web site, you may go directly to the book and start reading or you may have to choose which format you want to read it in.

Go to Project Gutenberg.

You can find many books there and you can read the whole book!

google books is also a good site. Some of them are limited and don't let you read the whole thing... but there are many where you can.

Also try:

ReadAnyBook.com

OpenLibrary.org