How to make a book out of a4 paper

First, fold the A4 piece of paper card ways and carry on folding until you have 8 equal halves like the picture.

Fold in half once again and snip down the middle until you get to the middle.

Open up again.

Fold halfways again.

Now this bits a bit tricky, hold the ends and press it in so it looks like a diomand inside.