1. Polysaccharides: Perspectives and Applications 2. Nano-Polysaccharides: Structure and Properties 3. Surface Modification of Polysaccharide Nanocrystals 4. Fundamentals of Processing and Characterization of Polysaccharide Nanocrystal-Based Materials 5. Crystallographic Properties of Polysaccharide Nanocrystals 6. The Composition of Polysaccharides: Monosaccharides and Binding, Group, Polysaccharides Chains 7. Understand How the Substituents of Polysaccharides Influence Physical Properties 8. Nanostructured Polysaccharide-Based Materials Obtained from Renewable Resources and Uses 9. Nano-Polysaccharides and Pharmaceutical Applications 10. Nano-Polysaccharides as Photocatalysts 11. Polysaccharide Carbon Tubular Nano-Fibers for Industrial Applications 12. Energy/Bio-Energy Applications of Polysaccharides 13. Polysaccharide-Based Carbon Nanotubes for Wastewater Treatment 14. Environmental Applications of Eco-Friendly Nano-Photocatalysts: Towards Green Nanotechnology