Tweeted By @random_walker
I'm a coauthor of two textbooks. Both are available online:https://t.co/FIbyZnzfznhttps://t.co/vCIVqLsBmp
— Arvind Narayanan (@random_walker) December 13, 2019
We made this a non-negotiable part of the contract. The publishers didn't complain and didn't think it would hurt sales! There's no good reason not to make it free.