Book of Null is a poetry collection on software engineering. For more information go to https://bookofnull.com. You can order the book in Denmark at [stimpack.dk](https://stimpack.dk/shop/31-software--ai/472-book-of-null-mastering-undefined-behaviour/). Use promo code UNDEFINED for an additional discount. ISBN: 978-87-977248-0-4 Reach out to my author email at [email protected]