Just do a standard double-sided print on Letter/A4 paper, then put 5 or 6 staples down the left side, very close to the edge to bind the pages together. Then fo

Just do a standard double-sided print on Letter/A4 paper, then put 5 or 6 staples down the left side, very close to the edge to bind the pages together. Then fold the edge of the binding over, creasing it, so that the booklet lays flat.