"Respondent driven sampling (RDS) has come a long way since the days of snowball sampling and offers an important new tool for social scientists seeking to study small, rare, and hard-to-find populations. In their book, Guri Tyldum and Lisa G. Johnston offer a definitive guide showing migration researchers to make optimal use of RDS methodologies. Drawing on their incisive understanding ... Read moreof RDS in theory and their extensive experience using RDS in practice they have produced a concise, clear, and eminently readable book that will be of great interest to migration researchers everywhere." - Prof. Douglas S. Massey, Princeton University, United States "This book is a must-read for researchers planning respondent-driven sampling studies of migrant populations. It covers the entire research process from start to finish and is packed with practical advice that is not available elsewhere." - Prof. Matthew Salganic, Princeton University, United States Show Less