I love Gunderson and Tepper as a cohesive resource to bring it all together but that is not a good book for med students or very early residents. Its way to long. It does a great job presenting basic science as well as the evolution of treatment strategies and citing the clinical literature. That is most useful when you have a decent understanding of basic clinical practice for a disease site. Otherwise its a little daunting.
For med students and early residents the Hansen Handbook is a great reference. Its pretty superficial but it does a great job of getting your foot in the door. Junior residents really can use any of these books or other resources to get started but you really should be reading the primary literature more than anything. Can't speak to Dr. Lee's book but sounds good. Head and neck is a different animal. There are several good books which are completely devoted to showing normal anatomy of the head and neck in painful detail at every level and modality in different planes. Those are worth gold when you start your first head and neck service if you are like me and didn't have much exposure to head and neck radiology since first year med school.
Another free reference people often overlook is the NCCN guidelines. I'm not talking about the actual recommendations or treatment schemes which is where most people go and then often get scolded for making a questionable recommendation they innocently read and repeated. Skim all of that and go to the back sections where they cite and review relevant primary literature. Thats often actually a fairly nice review and can point you to important papers you might otherwise miss. But make sure you read the papers. There are frequently, shall we say, liberal interpretations of what was actually found. For real fun, read the primary papers, then try to figure out how the heck they came up with the recommendations that they did. Its a good lesson in how hard (or painfully easy at other times) it can be to use evidence to change practice depending on the make up of the panel.