Rating: 
Summary: ok
Review: The cat on the cover is amusing but the book itself is not that great. THe subject is incredibly difficult. THe treatment i'd say is average
Rating: 
Summary: Very good
Review: I liked Griffith's Introduction to Quantum Mechanics a great deal. I liked his Electrodynamics book too. What I like most about Griffiths is that if something is important he will say so, if something is difficult he will say so, if something confounds everyone who sees it he will say so. Many other authors in physics pretend to be computers, and leave any intuition or feeling about the material they introduce entirely to the reader to learn for himself. We are not computers, we all understand things in very human ways, although I think the proud like to pretend everything is obvious to them and that personal comments such as Griffiths provides just insults their prodigous intelligence.
The only problem I have with the book is that the shmucks didn't put a single answer in there. That's why I didn't give it 5 stars. How are you supposed to learn it if you don't know where you might have gone wrong in your answers?
Rating: 
Summary: Quick, to the point, useful.
Review: I didn't use this book undergraduate quantum, I used Saxon. And for graduate I used Merzbacher and also Cohen-Tenoudji. But now I'm preparing myself for the qualifier, and I've found that I've put aside all of my quantum mechanics books and I'm using this one. (I've also put aside all of my E&M books and I'm using Griffith's book for that part of the Quali too.) This book obviously doesn't have the depth of a lot of other quantum books, and it isn't designed to. I gets you into the subject, shows you what you need to know and moves you along to the next subject. But what makes the book excellent is a simple "rating" system that Griffith uses. He puts one star next to problems that are fundamental importance yet won't take hours to work through. This is valuable for review. If you're using this book for review, I also think that having a solutions manual for the problems to check your work is useful, you can pick them up on ebay. Griffith makes books for people like me, non-genius students educated in U.S. public schools. We don't want to be bored while we're learning. He keeps things interesting.
Rating:
Summary: The spark
Review: I read all sorts of math and physics books. I majored in math and like to keep the math parts of my brain working, even though my on-the-job application of mathematics consists of the operators +-/* Griffiths book is a gem for a person like me. I have been able to work through the entire thing by myself and I believe this has a lot to do with his style. He leaves out enough steps that you find yourself making marginal annotations that make you feel as if you're part of the whole learning process. He uses foreshadowing beautifully, to the point where I found that I was "like a kid at Christmas," picking at the corners of the wrapped presents under the tree: I researched, bought other books, surfed the web, heck - I even found myself in Berkeley's Physics Library!
If you want a dry, poorly written and edited tome, by all means, buy Sakurai (yes, I've read it, too). But if you want a book that either answers all the fundamental QM questions, keeps you interested and engaged, and - perhaps most important of all - sparks your curiosity to drive your research forward, then this is the book for you.
Rating:
Summary: Great Intro to Quantum
Review: I took Quantum as an undergrad and used Gasiorowicz's 3rd Ed. I didn't learn much that was useful and I absolutely didn't gain any kind of physical insight. As a new grad student of Physics, I decided that I needed to take Quantum again. Luckily, we used Griffiths' Intro to Quantum. It was a wonderful experience. He builds the subject slowly and he gives phisical interpretations at every step.
This is a great text. Don't believe the 'nay-sayers'. This text is as useful as Griffiths' E&M text. The problems can be difficult, but they are labeled by difficulty. If you start off by working the simple problems, you will be able to solve all but the most difficult. The most important thing to remember is that the professor only assigns a minimum of homework problems. Many more problems should be solved to really understand the subject.
All in all, opinions here are immaterial. If you are reading this, it's becuase you have to use this text for a class. So,
Good luck!
Rating:
Summary: A great undergraduate book (I used it thouroughly)
Review: First, I would like to say that this book IS: thourough enough for undergrads, extremely well written, contains good problems and is excellent preparation for grad-level courses.
Next, I would like to say that I don't think that reviewers who complain about this book have spent much time studying it. To the reviewers that complain that the text is not advanced enough I would say that the book is intended as an undergraduate text. If you know it well, you will prepared for a more advanced text like sakuri, messiah, etc(if jumping into these texts without a prior introduction is suitable for you, well then enjoy MIT.) I found this book to be very easy to read, contained great problems and gave me an excellent preparation for graduate QM. If I have any complaints about the text it would be that more dirac notation isn't used. However, the book contains eliciting questions and most importantly it teaches you QM.
I originally took a one semester undergrad class in QM and used a text by Gasiorowitz (I definately don't reccomend it.) The summer before Graduate school I was aware that I knew almost nothing of QM and I had liked Griffith's EM book, so I thought I would try his QM. I studied Griffiths text independently for the two summer months. I read chapters 1-8 and portions of later chapters. I also completed all of his starred problems in chapters 1-4 and many of the starred problems from chapters 5-8.
Using Griffiths text was one of the best decisions I have made in learning physics. I was very well prepared for my graduate QM classes. I would like to commend David Griffiths for his book. His writing style makes physics accessible by studying on your own. Not too many other authors of physics can do this.
Rating: 
Summary: A terrible book with terrible price
Review: If you take this class, you will find that every week you are being assigned for certaion problems, and next week, the proffessor will cut and past and scan solutions from the solution manual to the course web site, and their job is done. Book Sellers! Stop giving free solutions to professors!! you guys make american undergraduate student being less trained and less prepared for graduate school. lower the price and start sell solutions. the difference is smart student will know how to use them wisely, dumb ones will just copy them. I really want to see if the professors who teach the class can figure out those problems by themselves. and the one who need the solutions is the student.
Rating:
Summary: The best introductory QM text
Review: This is the best first course quantum mechanics text book by far. I used it as a text in first semester QM. How do I know it is the best? During first semester qm I spent many hours in the school library reading qm books. The library had a large section of qm books. I used to take 10 to 20 books home at a time. I was always looking for better explanations of particular expositions, and I found that often one book gave the clearest exposition in a particular area. Also, Ifound it helpful to read how several books described, for example, solution to the step function and others. But David Griffiths book is the best written book of all those others I read. The Griffiths book is easy to understand. That is what makes it a good book for the beginning student of qm. Let me give an example of what I am saying: Fourty five years ago, when I first studied calculus, there was only one text book. It was the then venerable Calculus and Analytic Geometry by George Thomas, Jr. This book was not easy to study. It is not a well written book compared to modern calculus text books. But now there are many good calculus text books. Now calculus is a fairly easy subject because the text books are well written. They are student friendly. I think that most qm books are like the Thomas book in that they are not student friendly, and the Griffiths book is the first student friendly qm book in my view. The one criticism that students might have of the Griffiths books is that the problems are long and time consuming. This is true if you do not use Mathematica or some other math program. If you use Mathematica, the problems can be worked in minutes. The Griffiths book uses wave mechanics notation throughout, which every physicist must learn. To learn the Dirac notation, the best book I found (and the most elegant qm book I found) is Quantum Mechanics, by Claude Cohen-Tannoudji, Bernard Diu, and Franck Laloe.
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