Book Genie  
   A hands-free hardback or paperback book holder.
   http://www.bookgenie.com/

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

Perfect Reader  
   The hands free reading stand and copy holder.
   http://perfectreader.com/

JBABS Co.  
   That Book Thing, a portable book holder for hands-free reading.
   http://www.thatbookthing.com/

Page Tamer  
   Lightweight plastic clip; holds paperbacks. May also be used as a bookmark.
   http://pagetamer.com/

Bookmate  
   Device to assist in holding paperback books firmly.
   http://www.bookmate.biz

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

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