Recent Examples on the WebThat trend continued, with over $1.1 billion worth of comics sold through the trade book channel in 2021, nearly equaling the total of all comics sold through all channels in 2019. Rob Salkowitz, Forbes, 5 July 2022 These include decreases from .75 cents to $2.70 in the cost of sixth-through-eighth-grade Language Arts trade books and a .50 increase in kindergarten periodical subscriptions. Jacky Wong, WSJ, 21 Jan. 2020