Here's some information about the book:
While not as widely used as Griffiths (for undergrads) or Shankar/Sakurai (for grads), Ohanian’s Quantum Mechanics is a respected, if somewhat overlooked, text. Its strength is bridging the gap for students who find Griffiths too terse but Shankar too formal. ohanian hans c. principles of quantum mechanics pdf
The book provides a solid grounding in the mathematical tools required for quantum mechanics, including Hilbert spaces, Dirac notation, and operator theory. Here's some information about the book: While not