This book provides a complete package for centres following the revised GCSE OCR Modern World History Specifications. The book comprises three sections: International Relations 1919 - 1989; the new compulsory core unit British History 1906 - 1918; and the most popular depth study option, Germany 1918 - 1945. This lively and accessible text is based around lead questions which match those in the OCR Specifications. Essential knowledge is provided through background briefings, analysis of issues through investigations and review sections to provide opportunities for revision.