Several textbooks are recommended for undergraduate quantum mechanics, with Griffiths often cited as a popular choice despite criticisms regarding its clarity and organization. Dirac's "Lectures on Quantum Mechanics" is praised for being insightful and succinct, while Zettili's "Quantum Mechanics: Concepts and Applications" is noted for its numerous worked examples, although it is longer and covers less material than Dirac. Shankar's "Principles of Quantum Mechanics" is debated; some consider it a solid undergraduate text, while others argue it is more suited for graduate-level study due to its complexity. The discussion emphasizes the importance of selecting a book that aligns with one's learning style and background in mathematics. Overall, the choice of textbook should cater to both conceptual understanding and the reader's mathematical proficiency.