Salient features of the book are:'An easy on What is Quantum Mechanics by Victor Weisskopf, a Prologue to the book'Discussion of the free electron theory of metals and the basic physics of white dwarf stars, as application of the particle in a box problem.'Two chapters on the linear harmonic oscillator problem-bringing out clearly its relation to the classical oscillator.'Three chapter on the angular momentum problem-giving simple recipts for calculating spherical harmonics'The use of confluent hypergeometric functions in obtaining solutions of the Schrodinger equation, corresponding to several important problems in quantum mechanics'A detailed analysis of the spectra of one and two electron atoms'A detailed analysis of the rotation-vibration spectra of diatonic molecules'A detailed analysis of magnetic resonance experiments'A separate chapter on the double well potential the kronig Penny model'A detailed analysis of the JWKB approximation with application to numerous problems in quantum mechanics'First principle calculations of Einstein coefficients'Numerical solutions of the Schrodinger equation