Chapter 1. Hematopoietic Stem Cell Development in Mammalian Embryos -- Chapter 2. Hematopoietic Stem Cells and Their Bone Marrow Niches -- Chapter 3. Emerging Roles of Epigenetic Regulators in Maintaining Hematopoietic Stem Cell Homeostasis -- Chapter 4. Metabolism in Hematopoiesis and Its Malignancy -- Chapter 5. The Origin of Clonal Hematopoiesis and Its Implication in Human Diseases -- Chapter 6. Ex vivo Expansion and Homing of Human Cord Blood Hematopoietic Stem Cells -- Chapter 7. N6-methyladenosine RNA Modification in Normal and Malignant Hematopoiesis -- Chapter 8. Immune System Influence on Hematopoietic Stem Cells and Leukemia Development -- Chapter 9. Learning from Zebrafish Hematopoiesis -- Chapter 10. Multi-lineage Differentiation from Hematopoietic Stem Cells -- Chapter 11. Gene Editing in Hematopoietic Stem Cells -- Chapter 12. Aging, Causes and Rejuvenation of Hematopoietic Stem Cells.