Using a comparative approach and emphasising source evaluation skills, this course book will help students learn content and approaches that are particular to the IB syllabus. Included are the three prescribed subjects with a wealth of source material to help students understand information from different perspectives and from different time periods. A selection of detailed examples is provided on each of the 5 20th Century topics along with case studies from all regions. Also included are links to TOK and the IB learner profile. Examination guidance is also provided. New edition now available - ISBN 9780198389989