CBS reported strong third quarter results after the close of the market on Tuesday, but sales at their Simon & Schuster unit fell 4.5 percent, down $10 million to $210 million, as OIBDA rose $1 million to $39 million. CBS said “strong growth in digital book sales was more than offset by lower print book sales.” That digital growth was not as strong as in the past, though; digital sales increased only 20 percent compared to the same period a year ago. (In the second quarter, digital was up 44 percent compared to the prior year; in the first quarter […]