Principles of Quantum Mechanics" by Paul Dirac is an excellent scientific book that deals with the principles of quantum mechanics. This book is among the most important in the field of quantum physics and was first published in 1930. It covers concepts such as wave-particle duality, quantum interference and superposition, and quantum understanding and interpretation. It is an essential book for a deep understanding of the quantum world and continues to be used as a reference in scientific research and education. #EnglishBooks #ScientificBooks #QuantumScience