This authoritative new work sets out the key tenets of the principles and process of criminal law in Indonesia. Focusing on substantive criminal law, starting from its definition, history, principles, and interpretation, it goes on to explore a criminal offence and its elements, criminal fault and liability, causation, and other issues. The author is a leading scholar, experienced both in practice and teaching in the field. Comparative criminal lawyers will welcome this important new work. © Topo Santoso, 2023.