This item is not actually sold out. As of this writing, there are still 160 copies available. The set will be available to pre-order from 7/14 through 8/16 via Kickstarter. If any pre-order copies remain after that, it will again be available on this page. If the Kickstarter is successful this set will be published in September. If it is not, everybody who pre-ordered will be refunded their money by the end of 2020.
A very special boxed set of three hardcover books signed, numbered, fully color illustrated, and limited to 250 copies including: