The Bond, by George P. Fletcher

Adam Gross, philosopher-cum-lawyer, teaches at an Ivy League law school in New York. Good looking, cultivated, bohemian, he was once considered the rising star of his faculty, but that was a decade ago, and times have changed. Doing the job he always wanted, shaping eager, young minds, showing them what it takes to be a lawyer, Adam has to face the truth that his style is no longer what the students pay for; and his Dean is getting worried about the rising number of complaints. It doesn't help that he is about to start sleeping with the Dean's wife...