This is a 5-volume series on the subject of active learning, detailing teaching methods for learning tasks. The areas where the previous owner's name was written have been blacked out, but it does not affect readability. - Title: Active Learning System - Author: Yoshio Murakami - Publisher: Meiji Tosho - Content: Instruction for learning task learning - Series: Active Learning System, Complete 5 Volumes - Price: 2300 yen Thank you for looking.