A brain tumor develops when the cells of brain start growing abnormally within the brain. These brain tumors may be malignant or benign. Primary brain tumors begin within the brain whereas secondary tumors usually spread from cancers outside the brain and are known as brain metastasis tumors. Symptoms of all types of brain tumors vary depending on the size of the tumor, rate of growth of tumor and part of the brain affected. Headaches, seizures, eyesight problems, vomiting, and mental abnormalities are some of the symptoms of brain tumor. Other signs and symptoms include trouble walking, speaking, numbness, or loss of consciousness. Surgery, radiation therapy, and chemotherapy are all options for treating brain tumors. This book includes some of the vital pieces of research works being conducted worldwide with respect to brain tumors. It aims to shed light on some of the unexplored aspects of the brain tumors and their management. Those in search of information to further their knowledge will be greatly assisted by this book.