This is a great website that generates a list of recommended reads based on your reading preferences. You can also discover what books other people you know are currently reading or have read.
The New York Times Bestseller List
The New York Times Bestseller list is widely considered the preeminent list of best-selling books in the United States. Published weekly in The New York Times Book Review, the best-seller list has been published in the Times since October 12, 1931.
50 Books To Read Before You Die
A list of classical books to round out your repertoire.