We’ve approached three merchants who sell books for bitcoin, but none of them are interested in stocking this volume. We will keep on trying until we find someone who will, though. Unfortunately we can’t take on the merchant role ourselves — we have day jobs and can’t afford the time and expense of stocking and shipping books; that work is best left to experts. If anyone is reading this and interested in selling our book for bitcoin, drop me a line. We can hook you up with a significant author discount (30% off list price, shipped anywhere in the world — roughly $22 USD/each), and you’d be free to mark it up from there and pocket the difference.