Chapter 1. Hypoxia and its Biological Implications for Cancer Therapy -- Chapter 2. Hypoxia's function in cancer -- Chapter 3. Role of Hypoxia and Reactive Oxygen Species in cancer biology -- Chapter 4. Hypoxic tumor microenvironment: driver for cancer progression -- Chapter 5. Hypoxia and Senescence: Role of Oxygen in Modulation of Tumor Suppression -- Chapter 6. Hypoxia Regulated Gene Expression and Metastasis -- Chapter 7. piRNA based cancer therapy in hypoxic tumor -- Chapter 8. MicroRNA Signatures of Tumor Hypoxia -- Chapter 9. Hypoxia and the Metastatic Cascade -- Chapter 10. Hypoxia and Extra Cellular Matrix-major drivers of tumor Metastasis -- Chapter 11. Role of Hypoxia in Cancer Therapy - Introduction -- Chapter 12. Hypoxic regulation of telomerase gene expression in cancer -- Chapter 13. CRISPR/Cas9-editing-based modeling of tumor hypoxia -- Chapter 14. Tumor-on-a-chip: Microfluidic models for Hypoxic tumor microenvironment -- Chapter 15. Imaging the Hypoxic Tumor microenvironment in cancer models -- Chapter 16. Hypoxia-targeting drugs as new cancer chemotherapy agents Hypoxia-targeting drugs as new cancer chemotherapy agents - Molecular Insights -- Chapter 17. Identification of Hypoxia targeting drugs in the tumor microenvironment and prodrug Strategies for Targeting Tumor Hypoxia -- Chapter 18. Hypoxia Induced Apoptosis in Cancer Development -- Chapter 19. Hypoxia in drug resistance and radioresistance.