I made a dummy for picture book authors by combining two online techniques I found.
The brilliant Tara Lazar's schematic reminds us that (most of the time) we have only 12 spreads to work with. This is why my version doesn't bother with pages 1-4 nor with pages 29-32.
The first video shows the finished product.
The next one shows how to fold 8.5 x 11 sheets into a clever little booklet.
Lastly, my Word doc, which makes entering your own text easy, is here.
I suggest any donations, which are strictly optional, go to Book Aid.