Book review: A Guide to State Succession in International Investment Law, by Patrick Dumberry. (1st edn. Cheltenham, UK; Northampton, MA, USA: Edward Elgar Publishing 2018) - Journal of International Arbitration View Book review: A Guide to State Succession in International Investment Law, by Patrick Dumberry. (1st edn. Cheltenham, UK; Northampton, MA, USA: Edward Elgar Publishing 2018) by - Journal of International Arbitration Book review: A Guide to State Succession in International Investment Law, by Patrick Dumberry. (1st edn. Cheltenham, UK; Northampton, MA, USA: Edward Elgar Publishing 2018) 35 6 Journal of International Arbitration