This work presents international humanitarian law, following the general outline of the publication Basic rules of the Geneva Conventions and their Additional Protocols. It includes some 60 case studies, with corresponding exercises. Special attention is paid to the provisions common to the four Conventions and to Protocol I; protection of the wounded, sick and shipwrecked; the rules governing the conduct of combatants; protection of prisoners of war; protection of civilians in time of war; and protection of the victims of non-international armed conflicts.