"Einstein's Struggles with Quantum Theory: A Re-Appraisal" offers a comprehensive analysis of Einstein's engagement with quantum mechanics. The book highlights the various facets of Einstein's thinking and argues that his views on quantum mechanics, often considered outdated, actually provided significant impulses for modern physics. It is demonstrated that Einstein's position in the famous dispute with Niels Bohr was legitimate and that his pragmatic approach to realism contributed to the development of quantum information theory. The reading is suitable for both professionals and enthusiasts, as it provides a clear presentation of Einstein's achievements in quantum mechanics while facilitating access to the underlying ideas without relying solely on mathematical formulas. The blend of theoretical considerations and historical contexts makes this work a valuable resource for anyone looking to understand Einstein's influence on quantum mechanics.