2019 Nitchoken Summer Course Text - Advanced, Answers Summer Special Course - 4 Subjects, Answers Basically, I worked in a notebook, so there's not much writing in the text itself. Summer Course: less than 10% written in. Winter Course: 30% written in. Summer Special Course: about 10% written in. I will cut out the sections with my name before shipping. For those who understand that this is a used item, thank you.