The game of Go is, occasionally, referred to as a sitting martial art. This series of books is dedicated to kyū ranked players and uses the following colors to represent belt colors often used in martial arts rating systems: white (beginner), yellow, orange, green, blue and then brown.

This volume, the yellow one, stands in the sign of the sun, the light and warmth, and growth. These charac-teristics accompany now the path of the go player. This level is usually reached very quickly, and the student may move on to the 13×13 board. Still, the progress of learning is sluggish and not very creative. The student absorbs the training of technique, but the implementation still causes difficulties. At this point, the bounce rate in Go is the highest.

This books can be used as a classroom tutorial, as an after-school exercise, or as a test for self-learners who would like to improve their skills.