I like this book a lot - especially making it available to read free in HTML. It's good to see practical information about parsing and grammar rather than plainly theoretical - although there's room and a for need both.
Another similar read is Vidar Hokstad's blog series - Writing a compiler in Ruby [1] which was first submitted here 9 years ago! [2]
Another similar read is Vidar Hokstad's blog series - Writing a compiler in Ruby [1] which was first submitted here 9 years ago! [2]
[1] http://hokstad.com/compiler
[2] https://news.ycombinator.com/item?id=319337