A study aid of choice focusing on the core topics, based on previous questions and providing what a student needs to know. • Serves as a quick guide with clear, relevant and concise information. • Gives an excellent overview about the topic. • Highly focused and targeted information, organized in an easy way to study and recollect it. • Useful for under graduate and post graduate entrance examination. • Easy to follow for quick revision before exam. • A need based, student friendly book.