BookGem
Offers book holder for hands-free reading.
http://www.bookgem.com

Bookholder.com
Levo adjustable bookholder on a stand, and reading lights.
http://www.bookholder.com

BookMateStore.com
A range of book holders and covers in various sizes, colors and patterns.
http://www.bookmatestore.com/

Solo Reader
Allows reader to view comfortably for uses such as cooking, typing, or one hand free reading.
http://www.soloreader.com

The Book Clip
A device that serves as a book stand and a bookmark.
http://www.bookclip.com/