Thank you so much. Yes, the book is self-published. For the typesetting, I used https://reedsy.com/ https://reedsy.com/ . I made all of the diagrams in PowerPoi

Thank you so much. Yes, the book is self-published. For the typesetting, I used https://reedsy.com/ https://reedsy.com/ . I made all of the diagrams in PowerPoint myself, and just inserted them as high-quality images.