The translation of this well-known French textbook introduces physics students to the field of quantum mechanics. The work is now being published in its third edition.Each chapter consists of two parts. In the first part, the fundamental postulates and concepts are introduced. In the second part, the basic knowledge of quantum mechanics is conveyed by means of numerous applications. The work is a both a textbook and a workbook, and is also suited as a reference work for professionals in the field.Translation of the well-known and timeless work by Nobel Prize winner Cohen-Tannoudji and his co-authorsUnique two-part chapter structure, with part one consisting of basic concepts, and part two consisting of exercises and an explanation of applications within the field of physics