1. Actto BST-09 Green 180 angle adjustable and Portable Reading Stand/Book stand Document Holder (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
EYE -LEVEL READING PROVIDES MAXIMUM COMFORTPromotes proper posture for better spinal health

2. Nice Production INP-101-O Book Stand (Bookstand / Bookstands / Holder / Cookbook / Music) (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Fufillment by Amazon: RESTOCK COMING SOON! (02/02/15)PROMOTES PROPER POSTURE FOR BETTER SPINAL HEALTH

3. Mighty Bright 37401 Fold-n-Stow Book Holder (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
HANDS FREE READING - Increase your workspace, decrease your neck pain, and free your hands! The Mighty Bright 37401 Fold-n-Stow Book Holder is excellent for students, musicians, cooks in the kitchen, bookworms who don't want to put down their favorite novel while eating, and more!COMPACT AND PORTABLE - Your Mighty Bright 37401 Fold-n-Stow Book Holder is lightweight but sturdy, meaning it's capable of holding large chemistry textbooks, and the whole unit folds for easy storage when not in use. Fold it up and take it with you wherever you go.

4. A+ Book Stand BS1500 Book Holder with Adjustable Foldable Tray - Cookbook Reading Desk Portable Sturdy Lightweight Bookstand - Textbooks Bookstands - Music Books Tablet Cook Recipe Stands ... (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Book Stand BS1500 - Lightweight and portable book stand easily fits in the backpack.Bookstand for Textbooks - Strong and sturdy - easily holds large volumes (Law or Medical Textbooks), cookbooks or Study Bible.

5. KLOUD City Bookstand Laptop /iPad/Cookbook / Music / Document Stand Holder Reading Stand with 7 Adjustable Positions (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
Great for home, office, dorm, library, etc.Material : Steel (the holder plate) and plastic (the base and the two adjusters).