Textbook and problem set for the QC Kentei (Quality Control Examination) Level 2, with illustrations for deeper understanding. - Title: Latest QC Kentei Level 2 Textbook & Problem Set, 2nd Edition - Author: Kazuyuki Nakajima - Publisher: Shuwa System - ISBN: 978-4-7980-7390-3 - Edition: 2nd Edition My husband took the exam the other day and passed according to his self-assessment, so this is a very auspicious textbook! If you are considering taking the exam next year, please do!