Subject-specific resources and references
Cambridge IGCSE and O Level History 3rd Edition Option B The 20th Century
| Authors | Ben Walsh, Benjamin Harrison |
| Publisher | Hachette Learning |
| Published | 28 October 2022 |
| ISBN | 9781398375055 |
| Format | Paperback and Digital Boost eBook available |
Supports Cambridge IGCSE History (0470), IGCSE (9–1) (0977), and O Level History (2147) Option B for examinations from 2024.

Description
This coursebook supports the Option B route The 20th Century International Relations since 1919. It covers all Key Questions and Focus Points from the syllabus, helping students build detailed knowledge of major historical events and developments.
Core areas include:
• International relations since 1919
• The League of Nations and causes of conflict
• The Second World War and its consequences
• Depth studies including Germany 1918–45, Russia 1905–41, and the USA 1919–41
The book uses clear explanations, historical sources, timelines, diagrams, and case studies to deepen understanding. Focus Tasks and enquiry-based activities help students develop analysis, interpretation, and evaluation skills required for examinations. Regular exam-style practice supports effective preparation and consolidation of learning.
Cambridge IGCSE and O Level History Option B The 20th Century Coursebook 3rd Edition with Digital Access (2 Years)
| Authors | Not specified |
| Publisher | Cambridge University Press |
| Published | 2023 |
| ISBN | 9781009289597 |
| Format | Digital coursebook with 2 year online access |
Supports Cambridge IGCSE History (0470), IGCSE (9–1) (0977), and O Level History (2147) Option B The 20th Century for examinations from 2024.

Description
This coursebook provides comprehensive coverage of Core Content Option B The 20th Century International Relations since 1919 together with selected depth studies.
Core areas covered include:
• The First World War 1914–18
• Germany 1918–45
• Russia 1905–41
• The USA 1919–41
• The Second World War in Europe and the Asia Pacific
The book helps students develop historical knowledge, analysis, and evaluation skills through structured activities and exam-focused support. Features such as Focus Tasks, source analysis activities, and historian-style investigations encourage deeper understanding of historical events and interpretations.
Essay writing guidance and practice questions help learners build strong examination skills while connecting historical developments to wider global contexts.