Step 3Clamping the book before drilling:
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You MUST clamp the book using a couple scrap wood slats as pictured here. If you try to drill the pages WITHOUT doing this you will make a big MESS of the book. The reason is because the drill bit will gouge into the paper and the paper shavings will NOT come out of the hole very will. Instead, the shavings will "expand" inside the books pages and make the pages "puff'-out" So place your clamps on the wood-slats carefully while KEEPING the page edges evenly lined up.
Also, you want the edge of the wood-slat lined up with the edge of the book spine as shown in the picture. You will be drilling close to the edge of the wood so line it up carefully.