>Also we have monthly bonus on books and access to online resources: O'Reilly Media and Udemy. Is it restricted to only those? And there's plenty of self-publi

>Also we have monthly bonus on books and access to online resources: O'Reilly Media and Udemy. Is it restricted to only those? And there's plenty of self-published books on leanpub/gumroad (usually with sample chapters provided).