Mike Pence’s PAC Spent $91,000 On His Book. It Became A Bestseller. https://www.forbes.com/sites/zacheverson/2023/01/09/mike-pences-pac-spent-91000-on-his-book-it-became-a-bestseller/?sh=23d73a0822a9
@Forbes Yet my coauthor and I couldn't require our technician classes to use our book on introductory optics (there was no other at the time) because ethics. We gave them pdfs for free.
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.