This book...is an astonishing collection of scholarly articles from all over the world offering a kaleidoscope of perspectives of tremendous importance to mathematics educators interested in our shared concern to create a saner, equitable and more peaceful society. - Ubiratan D'Ambrosio, Recipient of the 2005 Felix Klein Medal awarded by ICMI ""The monograph...does not just dwell on the past, and it is neither overly theoretical nor esoteric. Its major strength is that it is in touch with the ever-changing conflicts and struggles faced by teachers and students."" - Review in ZDM-The International Journal on Mathematics Education ""...the issues are real and interested readers will find a treasure trove of perspectives on social justice as well as numerous examples of projects that have the purpose of serving this worthy goal"" - Review in Journal for Research in Mathematics Education