Chapter 1. An Introduction to Haematococcus -- Chapter 2. Nutritional studies and optimization of biomass from unicellular microalgae Haematococcus sp.-Chapter 3. Abiotic stress factors and high astaxanthin accumulation in Haematococcus pluvialis -- Chapter 4. Haematococcus: Cultivation for Astaxanthin Production -- Chapter 5. Bottlenecks in the cultivation processes of Haematococcus pluvialis -- Chapter 6. Biochemistry of Haematococcus -- Chapter 7. Lipids, lipidomics and biosurfactants of Haematococcus -- Chapter 8. Genetic engineering approaches for Haematococcus: Recent developments in genome sequencing and strain improvement -- Chapter 9. Food and Food Packaging Technology -- Chapter 10 Algae Materials for Bionanopesticides: Nanoparticles and composites -- Chapter 11. Environmental Impacts Related to Upstream and Downstream Processing of Haematococcus pluvialis -- Chapter 12. Therapeutic potential of Haematococcus pluvialis in the field of drug delivery -- Chapter 13. Clinical applications of Haematococcus. - Chapter 14. In silico exploration of therapeutics in Haematococcus pluvialis -- Chapter 15. Algal Polymers, Proteins and Pigments for Industrial Applications -- Chapter 16. Valorising Haematococcus biomass for commercial applications -- Chapter 17. Biotechnological applications of Haematococcus: Future perspectives -- Chapter 18. Commercialization of Haematococcus-based products: Current status and future forecast -- Chapter 19. Bioenergy Applications of Haematococcus.-.