ISBN: 978-4-86392-141-2 // ISBN: 9784863921412Year of publication: 2013Publisher: Sayaka KurashinaNumber of pages: 99 +116Languages: Japanese, English Country of origin: Japan
ISBN: 978-4-86392-137-5 // ISBN: 9784863921375Year of publication: 2019Publisher: JreasearchNumber of pages: 101 (Main book) 126 (Mock exams and answer key)Language: Japanese, EnglishCountry of origin: Japan
ISBN: 978-4-86392-129-0 // ISBN: 9784863921290Year of publication: 2017Publisher: JreasearchNumber of pages: 111 (Main book) 126 (Mock exams and answer key)Language: JapaneseCountry of origin: Japan
ISBN: 978-4-86392-121-4 // ISBN: 9784863921214Year of publication: 2019Publisher: JreasearchNumber of pages: 119 (Main book) 126 (Mock exams and answer key)Language: JapaneseCountry of origin: Japan