Derech Emunah, section one, on the laws of Kilaim and Matanot L’Aniyim by Rabbi Chaim Kanievsky. The flyleaf bears his inscription to Rabbi Chaim Sarna, Rosh Yeshiva of Chevron from 1998, with his signature. This book is the most prominent of Rabbi Chaim Kanievsky’s many works. It is based on the Rambam Hilchos Zeraim and arranged according to the Mishna Berura; Derech Emunah corresponds to the Mishna Berura; Birur Halacha corresponds to Beiur Halacha and Tzion Halacha corresponds to Sha’ar HaTzion.