1. **Ideal for Beginners**: The Hal Leonard Student Piano Library's Book 3 is highly recommended for beginners, especially children. Its easy-to-follow instructions make it a favorite among piano teachers and students alike.

2. **Quality and Variety**: Users praise the book for its variety and quality of musical pieces, which are not only educational but also enjoyable to listen to, enhancing the learning experience.

3. **Long-term Use**: Many reviewers have used this series for several years, indicating its effectiveness and reliability in teaching piano skills progressively.

4. **Lack of Teacher’s Guide**: A notable drawback is the absence of a teacher’s guide, which might require instructors to be more creative in their teaching methods.

5. **Access Issues with Online Tracks**: Some users reported that this edition does not include an access code for online tracks, which could be a significant limitation for those who rely on digital resources for practice.

6. **Overall Satisfaction**: Despite minor issues, the overall feedback is overwhelmingly positive, with many users expressing satisfaction with the book's condition upon delivery and its contribution to their children's musical education.