Nice job. Also very envious about your globetrotting. I am also in the process of writing my book(to be published as an open-source project) that supports a par

Nice job. Also very envious about your globetrotting. I am also in the process of writing my book(to be published as an open-source project) that supports a particular learning audience. I plan to use Bookdown after reading through several recommendations here on HN. I wish You the best with the process.