The extreme amounts of whitespace and text zoom makes it extremely difficult to get a sense of the language.<p>After going to the intro, then to a chapter, then zooming to 67%... I can almost browse through some code examples and see the language. But even here, each example has extraordinary amounts of whitespace.<p>There needs to be a single page with substantive lines of code, at c. 67% zoom, which shows off simple-to-advanced features in one go.