Textbook in PDF format The convergence of additive manufacturing and nickel-based superalloys has catalyzed a paradigm shift in high-value component manufacturing, particularly for aerospace turbines, energy systems, critical maintenance and repair applications. Laser Direct Energy Deposition 3D Printing of Superalloys consolidates a decade of the authors’ translational research systematically addressing fundamental challenges in process modelling and optimization, microstructure control, and mechanical performance enhancement for industrial-scale deployment