Related to The Blind Watchmaker: Richard Dawkins wasn't happy with Apple Writer, so he spent close to a year writing his own word processor [in assembly], called "Scrivener", which he then used to write that book.
https://www.youtube.com/watch?v=9DEe4QEuOSw&t=1074s
He said he would have written 20 books if he hadn't taken up computer programming: