This book provides an introduction to scientometrics. It discusses the history and development of analyzing literary information through informetrics, bibliometrics, scientometrics, webometrics, and cybermetrics. The book covers scientometric laws such as Lotka's Law, Zipf's Law, and Bradford's Law. It examines various scientometric indicators including impact factor, h-index, g-index, and citation analysis. The book also explores sources of scientometric data and software for scientometric analysis. Written by Abhay Maurya, the book is intended to be useful for students, researchers, and librarians.