Chapter 4 is now completed. If you want to see the last page right now, just sign up on the forum to view it in the members section. Otherwise, the last page of chapter 4 will show up on Friday. The chapter 5 page will show up on Sunday and the first page of chapter 5 will be up on Monday. Add an extra page to all those schedules if you are a forum member.
Hope you enjoyed the chapter and feel free to discuss it in the official forum.