Options for writing a web-book that becomes a print book:
(e.g. https://worldaftercapital.gitbooks.io/worldaftercapital/content/)
https://electricbookworks.com/
https://electricbookworks.github.io/electric-book/
e.g. https://platformland.github.io/playbook/book/text/index.html
–
https://dauwhe.github.io/reflow/
https://jan-martinek.github.io/henry-david-thoreau_walden/economy.html#idea1