"Accountability in International Law" examines the extent to which the basic principle of individual responsibility accommodates liability for the acts of others. It examines the debates and legal developments surrounding collective responsibility under international law. The philosophical debates on collective responsibility provide an introduction to the examination of whether collective responsibility is ever appropriate or even lawful under international law. As the international criminal justice project begins to flourish, it is of paramount importance that the extent of the potential liability of individuals for the acts of others is clarified and held up to rigorous scrutiny. It is of equal importance that there is a clear understanding of whether the means of responding to ongoing violations of international humanitarian law can include measures based on collective responsibility. Global events have created an impetus for the parameters of responsibility to be clearly defined. The rise of non-State actors within the international legal regime raises complex questions surrounding their status, power and the means for holding them accountable. It is published under the Transnational Publishers imprint.