Although there are many first-rate textbooks, manuals, and guides dealing with use of qualitative methods for assessment, monitoring or evaluation2 , few are geared to the needs of MSF teams working in complex medical and humanitarian crisis. In addition, as is essential to the core of MSF values and working reality, teams are made up of volunteers with an impulse to assist people in the midst of desperate medical and humanitarian disaster. Therefore, it is crucial to provide the kind of technical support that does not destroy the voluntary and innovative spirit of MSF work. This toolkit intends to equip the MSF team with the capacity to use qualitative methods to monitor, assess or evaluate specific activities. Quantitative examples are also given so as to reinforce the importance of using both methods to interpret results