Chapter1. Historical Perspectives and Introduction to UAV Cellular Communications -- Chapter2. UAV Cellular Communication in 5G New Radio Wireless Standards -- Chapter3. 5G NR Massive Mimo for Efficient and Robust UAV Cellular Communications -- Chapter4. Intelligent Reflecting Surface assisted UAV Communication System -- Chapter5. Artificial Intelligence Empowered Models for UAV Communications -- Chapter6. Reconfigurable Intelligent Surfaces (RIS) Assisted UAV Cellular Communication -- Chapter7. Cell-Free Massive MIMO Architecture for UAV Cellular Communications -- Chapter8. Unmanned Aerial Vehicle-Assisted Reconfigurable Intelligent Surface for Energy Efficient and Reliable Communication -- Chapter9. Blockchain Technology Enabling UAV Cellular Communications -- Chapter10. Unmanned Aerial Vehicle Cellular Communication Operating in Non-terrestrial Networks -- Chapter11. Design and Performance Issues in UAV Cellular Communications -- Chapter12. Evolution and Significance of Unmanned Aerial Vehicles -- Chapter13. An Overview of Energy Consumption for Unmanned Aerial Vehicle Cellular Communications.