<p>Section I: Fundamentals of Smart Halloysite Nanotubes<br>1. Introduction to Mineralogy and Geology of Smart Materials<br>2. Processing and Purification of Halloysite Nanotubes<br>3. Physicochemical Properties of Halloysite Nanotubes<br>4. Strategies for Derivatization and Functionalization of Halloysite Nanotubes<br>5. Challenges of Derivatization of Halloysite Nanotubes<br>6. Characterization of Intelligent Halloysite Nanotubes<br><br>Section II: Development of Hybrid Halloysite Nanotubes for Guest Molecules<br>7. Development of a Receptive Surface of Halloysite Nanotubes for the Immobilization of Guest Molecules<br>8. Selection of Hybrid Halloysite Nanotubes Based on Guest Molecules<br>9. Fabrication Routes for Hybrid Halloysite Nanotubes Based on Guest Molecules<br>10. Fabrication Strategies for Hybrid Halloysite Nanotubes Based on Guest Molecules-II<br><br>Section III: Smart Halloysite Nanotubes as Green Alternative<br>11. Halloysite Nanotubes as a Green Alternative for Functional Organic/Inorganic Nanohybrids-I<br>12. Halloysite Nanotubes as a Green Alternative for Functional Organic/Inorganic Nanohybrids-II<br><br>Section IV: Applications, Commercialization and Future Prospects of Smart Halloysite Nanotubes<br>13. Halloysite Nanotube-based Drug Delivery Systems<br>14. Hybrid Halloysite Nanotubes and their Role as Nanocontainers for Biomedical Applications<br>15. Halloysite Nanotubes as Support Material for Enzyme Immobilization<br>16. Tiny Tubes with Big Impact: Exploring the Potential of Halloysite Nanotubes for Food Packaging Applications—Recent Advancements<br>17. Environmental Applications of Halloysite Nanotubes<br>18. The Role of Halloysite Nanotubes as Fillers for Industrial Applications<br>19. Halloysite Nanotube-based Polymers as Smart and Economical Flame-retardant Tools<br>20. Future Prospects of Halloysite Nanotubes: A Road to Biomedical, Environmental, Food Packaging and Quality Monitoring Applications<br>21. Commercialization Perspectives of Halloysite Nanotubes: From Rocks to Markets (Ceramics, Therapeutics, and Catalysis)<br><br>Section V: Toxicity, Environment Fate, and Case Studies<br>22. Halloysite Nanotubes as Emerging Multifunctional Materials for Environmental and Biomedical Applications<br>23. Electrochemical Investigation of Halloysite/Iron Oxide-functionalized Graphitic Carbon Nitride Nanocomposites: A Case Study</p>