Paperback Book Corner Saver

Built to fix a problem.

I had been told by my 13 year old Daughter that Her reading books taken to school were geting ruined in her school bag. So ive designed some basic Corner protectors (similar to what you get on mirrors or pictures when being transported).
These fit the corners of the common books she reads. (Most at the moment are 29CM thick).

These also have the added bonus of allowing the book to stand on its end without falling over !. (or needing a book shelf end !).

Ive adde