Chapter 1: General Concepts.- Chapter 2: The Hierarchical Structure.- Chapter 3: Complex Scenarios.- Chapter 4: Rationality of the AHP Method.- Chapter 5: Shortcomings of the AHP Method.- Chapter 6: The Need for Improvement the MCDM Modeling.- Chapter 7: Final Remarks and Conclusion on AHP/ANP Inability for Solving Complex Scenarios.- Glossary.- References.