This is an exercise book on quantum mechanics, providing helpful content for problem-solving. - Title: Exercises in Quantum Mechanics [Revised Edition] - Authors: Makoto Okazaki / Hiroo Fujiwara (co-authored) - Publisher: Science-sha - Price: 1850 yen Thank you for viewing. The problem numbers in Chapter 1 have been marked with circles and crosses in pencil. I erased them with an eraser, but some traces remain. There are no other markings or folds.