The book "JCL & VSAM Programming Guide" attempts to provide simple explanation for beginners about various JCL & VSAM Programming concepts. This book is a single source you would need to quickly race up to speed and significantly enhance your skill and knowledge in JCL & VSAM. This has been designed as a self-study material for both beginners and experienced programmers. This book is organized with practical examples that will show you how to develop your program in JCL & VSAM. This book a perfect fit for all groups of people from beginners with no previous programming experience to programmers who already know JCL & VSAM and are ambitious to improve their style and reliability. Whether coding in JCL & VSAM is your hobby or your career, this book will enlighten you on your goal. Happy Reading !!!