As we tried the explain, the year-end sales numbers from the AAP are a work-in-progress rather than the final word, subject to revision over the coming year. Our understanding of the 2014’s trade sales just changed, dropping by one percent. So we have compiled some numbers that provide a broader historical overview — adapted from a presentation we made last month at Digital Book World. Total trade sales have performed well since the Borders bankruptcy, with a four-year average of $6.535 billion: eBook sales declines received a lot of attention over the past year, but there, too, the historical data […]