The book “Solidarity and Interest: Motivations and Strategies in International Cooperation for Development”, available only in Portuguese, authored by Carlos Milani will be launched and debated in São Paulo, at the Institute of International Relations of USP. The book presents almost ten years of research by the author on the field of North-South, South-South cooperation and its interfaces with international politics. The event will be on Thursday, April 11, from 10:00 a.m. to 12:00 p.m. The IRI-USP is located in the Cidade Universitária – Professor Lúcio Martins Rodrigues Avenue, S / N – lanes 4 and 5 – Butantã, São Paulo.