Chapter 1: Principles of cancer pathogenesis and therapy: a brief overview -- Chapter 2: Essential Oils Chemistry -- Chapter 3: Pharmacobotanical Aspects of Aromatic Plants -- Chapter 4: Essential oils as Raw Materials in the Synthesis of Anticancer Drugs -- Chapter 5: Antitumor Essential Oils: Progress in Medicinal Chemistry -- Chapter 6: Clinical Advances on Anticancer Essential Oils -- Chapter 7: Antitumor Essential Oils -- Chapter 8: Antitumor Monoterpenes -- Chapter 9: Sesquiterpenes from Essential Oils with Promising Antitumor Properties -- Chapter 10: Antitumor Phenylpropanoids -- Chapter 11: Antitumor Essential Oils: Synergy and Chemotherapeutic Interactions -- Chapter 12: Dietary Essential Oils and Cancer chemopreventive potential -- Chapter 13: Cancer and aromatherapy: a view of how the use of essential oils applies to palliative care -- Chapter 14: Perillyl Alcohol: A Pharmacotherapeutic Report -- Chapter 15: Conclusion and Future Perspectives.