“Topics in Anti-Cancer Research covers new developments in the field of cancer. Novel drugs as anticancer agents include natural and synthetic phenazirines and other anti-cancer compounds. It also encompasses the role of estrogen as estrogen disruptor and strategies targeting cancer stem cells for the treatment of different types of cancer, including myeloma and renal cell cancer. The diversity of researches and topics published in this eBook Series will be valuable to our cancer researchers, clinicians, cancer professionals aiming to develop novel anti-cancer targets and patents for the treatment of various cancers. The topics covered in the Eighth Volume of this series are as follows: – Novel Drugs for Multiple Myeloma – Synthetic Estrogens are Endocrine Disruptors via Inhibition of AF1 Domain of ERs – Recent Progress of Phenazines as Anticancer Agents – Cancer Stem Cell Targeting for Anticancer Therapy: Strategies and Challenges”