This particular method I'm showing is called the '3 hole binding' it was taught to me in uni and I found it again in one of Keith Smith's '1-2-3 Section Sewing' book. I hope the instructions are clear enough...
We start of with five sheets of A6 paper folded in half, a section. Fold another to make two sections. (In this picture there are several sections ready folded)
Here are a bunch of pre folded greeting cards waiting to be sewn.
This is how the card should be folded, it sort of forms a W with a very low middle, one low peak and two valleys. Cut it down to the same height as the sections.
Line up one of the section with the card along one of the creases, open up the folded section and using a sharp point, punch a hole through the section and card. In my case, I used an embroidery needle with a large eye.
Create three holes. Here you can see the three holes along the crease of the opened section.
line up the second section with the first to create the same corresponding holes.
Now you have two sections ready with holes that lined up for sewing.
Using the holes that were already marked previously on the card, use the needle to create holes for the other valley.
Here you can see the holes all lined up along the valley creases of the card.
Starting from the middle hole, thread the needle through the first section and all the way out through the other side of the card and through the second section.
The black arrow shows the path of how the needle is going to go.
These are the little notebooks that I give out in my classes for the students to write their notes in. I've ran out and I'll need to make some more...
You can make them any size, you can even use the whole greeting card. It's all up to you. Let me know how it went, did you make yourself a bunch of little notebooks?