Quantum Mechanics

Beginner

Quantum Mechanics: The Theoretical Minimum Susskind & Friedman

Easy

Quantum Mechanics: A Paradigms Approach David H. McIntyre

Medium

Introduction to Quantum Mechanics David J. Griffiths A Modern Approach to Quantum Mechanics John S. Townsend

Hard

Principles of Quantum Mechanics R. Shankar Quantum Mechanics Cohen-Tannoudji, Diu & Laloë

Extreme

Modern Quantum Mechanics Sakurai & Napolitano