they come into the company's mishaiwaka indiana warehouse by the hundreds where they get sorted, recycled, re-sold or donated to charity. better world's shelves are crammed with some four million hard covers and paperbacks with nearly 2.5 million unique titles. >> right here we're looking at a book understanding nutrition that could have come in from the university of nebraska or who knows where. and it's right next to a book about donald rumsfeld, yep it's a completely random put away. >> reporter: kreece fuchs is one of better world's three co- founders. the trio of former university of notre dame students hatched the idea for the company in their dorm. they found they could make more money selling their used text books over the internet than back to the school bookstore. >> over the course of that summer after i graduated, i would get an email saying your book sold and i would run to the post office and ship the book and you know a few days later i sold another book. >> reporter: last year better world made about $55 million buying and selling new and used books. the company donated ro