Where can I buy Francisco Herrera's sketchbooks 1,2 and 3?

I have been looking for Francisco Herrera's sketchbooks 1,2 and 3 for some time now. I know brandstudio press used to sell them but they're sold out and only sell sketchbook 4. I can find sketch book 4 on ebay but I really want 1,2 and 3.
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