Diplomatic Investigations is a reissue of a classic work in the field of International Relations. It is one of the few books in the field of International Relations (IR) that can be called iconic. Edited by Herbert Butterfield and Martin Wight, it brings together twelve papers delivered to early meetings of the British Committee on the Theory of International Politics, including several classic essay which have influenced not just the English school of international relations, but also a range of other approaches to the field of IR.