The simulation of intelligence in machines is termed as artificial intelligence (AI). The understanding and development of AI is built on the principles of mathematics, computer science, linguistics and information engineering. The current research in artificial intelligence is occurring in the areas of problem solving, reasoning, automated planning and scheduling, knowledge representation, common sense knowledge, etc. Some of the advanced applications of artificial intelligence include understanding human speech, development of self-driving cars, military simulations, and intelligent routing. Algorithms are widely used in artificial intelligence as they are capable of learning from data and improving itself by learning new heuristics. This book presents the complex subject of artificial intelligence in the most comprehensible and easy to understand language. From theories to research to practical applications, case studies related to all contemporary topics of relevance to this field have been included herein. This book will prove to be immensely beneficial to students and researchers in this field.