In order to read free e-books legally, they need to be in the public domain. More and more web sites are offering public domain libraries. Some of them sort by type of literature, but usually you will either need to browse or know the title of the book you seek.
See the related links below for a couple of these sites.
scribd.com
Fever 1793 cannot be read online for free legally. It can be purchased as an eBook. See the related links.
You cannot read this book online for free legally. It can be purchased in ebook form from Amazon. You can also try your local library who may have the ebook version for you to borrow.
The Road by Cormac McCarthy cannot be read online legally for free. It is available for eBook purchase. See the related links.
There are not going to be free eBook devices I'm afraid. But if you have a eBook reader you can visit eBook-reader-review.toptenreviews.com for free eBooks that can be read on almost any device.
You cannot read this book online for free legally. You can purchase it as an eBook. Your local library may also have it available for download in eBook format.
ePubbud.com
Crocodile Tears cannot be read online for free legally. It can be purchased in eBook form. See the related links.
You cannot read this book online for free legally. It can be purchased as an eBook form. See the related links.
You cannot read The Throne of Fire online legally for free. It can be purchased in eBook form. See the related links.
You cannot read Number the Stars online for free legally.It can be purchased as an eBook. See the related links for some online retailers who sell the eBook version of this book.
Nightjohn cannot be read online for free legally. It can be purchased as an eBook. See the related link.