ISBN: 978-43-36053-49-7 // ISBN: 9784336053497Year of publication: 2011Publisher: Bonjinsha Co.LTDNumber of pages: 123 (Main book ) 90 (answers and audio transcripts)Languages: Japanese, EnglishCountry of origin: Japan
ISBN: 978-4-8742-4518-7 // ISBN: 9784874245187Year of publication: 2011Publisher: KurosioNumber of pages: 135Languages: JapaneseCountry of origin: Japan
ISBN: 978-48-8319-56-4-0 // ISBN: 9784883195640Year of publication: 2011Publisher: A3 NetworkNumber of pages: 180Languagess: Japanese Country of origin: Japan
ISBN: 978-4-89358-936-1 // ISBN: 9784893589361Year of publication: 2018Publisher: Bonjinsha Co.LTDNumber of pages: 100Languages: 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
ISBN: 978-4-7890-1717-6 // ISBN: 9784789017176Year of publication: 2019Publisher: The Japan TimesNumber of pages: 118 (Main book) + 168 (3 Mock exams)Language: Japanese, EnglishCountry of origin: Japan
ISBN: 978-4-7574-3355-7 // ISBN: 9784757433557Year of publication: 2019Publisher: ALCNumber of pages: 359Language: Japanese, English, ChineseCountry of origin: Japan
ISBN: 978-4-88319-805-4 // ISBN: 9784883198054Year of publication: 2019Publisher: 3A CorporationNumber of pages: 374Language: Japanese, EnglishCountry of origin: Japan
ISBN: 978-4-7574-2456-2 // ISBN: 9784757424562Year of publication: 2019Publisher: ALCNumber of pages: 549Language: Japanese, English, Chinese, KoreanCountry of origin: Japan
ISBN: 978-4-384-05685-3 // ISBN: 9784384056853Year of publication: 2020Publisher: SanshushaNumber of pages: 255Language: Japanese, EnglishCountry of origin: Japan
ISBN: 978-4-327-38480-7 // ISBN: 9784327384807Year of publication: 2018Publisher: KenkyushaNumber of pages: 150Language: Japanese, English, Chinese, KoreanCountry of origin: Japan
ISBN: 978-4-86392-446-8 // ISBN: 9784863924468Year of publication: 2019Publisher: JreasearchNumber of pages: 183Language: Japanese, English, ChineseCountry of origin: Japan
ISBN: 978-4-7890-1781-7 // ISBN: 9784789017817Year of publication: 2021Publisher: The Japan TimesNumber of pages: 192 (Main book) + 55 (Answer key)Language: JapaneseCountry of origin: Japan