How to insulate your shed

Of course you can go down the sheep's wool or recycled newspaper route, but here's a suggestion from Joel Rickett in a Telegraph article about home libraries, but which is equally pertinent for garden office workers. He says:

"Books are the original insulator. A shelf of books along an outside wall works well to prevent heat escaping. If all the books were removed from the homes in Britain, our energy bills would rocket."

Via Bookshelf.