so if you're talking about kristin hannah as the women, for example, the bestselling book of the year, her isbn for her hardcover book would be specific to that hardcover format. and then later when the paperback is released, she'll have a different isbn attached to that book. now, ms. connor, we touched on this briefly earlier, but circana is reporting that adult nonfiction books declined by 1.3 million units in 2024. that's pretty steep decline, isn't it? i adore nonfiction has been underperforming for the last few years in terms of the scene, whether it's a steep decline or not. i think when when you account for the percent change, it's down about 1%. so i wouldn't say it's steep by that measure, but it's also the largest category by sales volume for the print market. so 1.3 does sound like quite a big drop. how do political books do political books sell? well? i can tell you that the high point for political books sales in our data was. between 2018 and 2020, when there was a lot of content published around the administration, the trump administration. and can you tell a differenc

it is the c21 hour and i love "the nightingale" by kristin hannah.