This book:
1. Provides features such as The Bigger Picture and Thinking about Science to enhance theory of knowledge (TOK), international-mindedness and discussion
2. Includes data-based and practice questions with answers and seperate chapters on the internal and external assessment and the extended essay
3. Uses clear and concise language for those who have English as an additional language
4. Is written by experienced authors who were involved in writing the latest syllabus; a past chief examiner and current assistant examiner.