The book in your hand puts forth the science and logic for generating User Interface cum Experience with an intuitive and emotive design. It covers the recommended findings and guidelines to create a meaningful U.I. model. This book attempts to provide the developers with insights of developing great User Interface. It presents each and every topic schematically in holistic manner. It simplifies many of complex fundamentals in plain and lucid manner by focusing on many facets of the U.I. and UX and is intended for the use of professional developer who may like to use the latest and variegated tools to satisfy the user's implicit needs as well.