GO! Billy Q&A Episode 4
https://www.kickstarter.com/projects/gobillykorean/korean-made-simple-2-the-next-step-in-learning-kor
Just like the first book, this sequel will be packed at around 350 pages, will contain over 1000 new vocabulary words and phrases, advanced notes and practice sections in every chapter, an introduction to Korean idioms, culture notes on Korean holidays, food, culture, history, and an extra appendix for reading practice.
-Billy