HEH: Unmentionable: Best-Selling Conservative Books and the Networks that Ignore Them. “Research reveals a glaring imbalance in network coverage of liberal best-sellers and comparable conservative titles.”
Yeah, I’ve noticed that books like Liberty and Tyranny, or Culture of Corruption — or even Liberal Fascism — don’t get the kind of boosting from the allegedly mainstream media that more, um, congenial works do.
That said, the Obama era has been good for a lot of right-leaning books.