The first edition hard copy is out of stock. Available to purchase as eBook version on Kortext app. After your purchase we will send you an access key and the instruction where to use the access key to download a copy of the book. It takes a couple of working days to get the access key from the supplier. Once assign the eBook is non-returnable and non-refundable. Please note there is a print restriction. The second edition is in working progress. Might be later this year or early autumn 2024.