The text discusses the legal intricacies and religious significance of the practice of selling chametz (leavened food) before Passover, focusing on the formalities and implications involved in this ritual.

In his book "Humanity at Sea: Maritime Migration and the Foundations of International Law," Itamar Mann explores the relationship between migration, humanity, and international law.

Itamar Mann, a Professor of Law at the University of Haifa, is known for his expertise in international law and legal theory.