Bookmaking with leftover scraps

I've made a lot of books over the past few years. When making a particular size book you may have to trim off the tops or sides of the folded signatures leaving you with a good amount of extra pieces that are too good to throw away. 

​My December goal was to make a bunch of small books and use up all these off-cuts. Below are a few of these books. They range from 3 inches to 2 inches tall.
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While making these books I had to do more trimming so I had off cuts from the original off cuts. The books below are just under 2 inches tall, and yes, it's a challenge working this small but mission accomplished.