Concept Learning Summary Book
- Detailed information organization and data analysis
- Step-by-step questions and unit conclusion
- Visual timeline, special appendix for exam preparation

Exam preparation workbook
- Prepare for the exam with various types of questions
- Improve your skills with difficult questions

Answer and explanation
- Friendly explanations for all questions
Why was it wrong? Find the answer in the corner.
- Let me tell you! Reviewing key concepts in the corner

Online services
- Free video lectures provided
- Provides key notes
- Provides verification test (online quiz)
- Provide quick answers