This is a set of five volumes of the Mishnah Berurah, which is an important Jewish legal text. The author of this edition is Abraham Naeh Klein. The books are new and have not been used before. The Mishnah Berurah is a detailed guide to Jewish law and practice. It is an essential text for anyone who wants to learn about Jewish tradition and customs. This edition is a new edition and is in excellent condition. It would make a great addition to any collection of Jewish books or religious items.