Best book for GATE Mechanical Preparation. It is a perfect missing link between classroom theory and competitive exams. Short notes on chances of mistake, neat notes on important terminologies, discussion on reflex questions, guide to systematic encounters an engineering problem, and sensible mixing of numerical solutions and related theory make this book unique. PART 2: Engineering Mechanics, Theory of Machine, Strength of Material, Machine Design, Engineering Mathematics, General Aptitude PART 1: Manufacturing Technologies, ID&OR, Material Science, Thermodynamics, Fluid mechanics & machines, Heat Transfer