The previous page is sending you to https://label-online.jp/k-12%E6%95%99%E6%9D%90%E5%B8%82%E5%A0%B42020%E6%AD%A3%E7%A2%BA%E3%81%AA%E8%A6%8B%E9%80%9A%E3%81%97-hachette-book-group%E3%80%81houghton-mifflin-harcourt%E3%80%81macmillan%E3%80%81mcgraw-hill%E3%80%81p/.

 If you do not want to visit that page, you can return to the previous page.