Digital-only subscriptions rose 23%. Subscriptions to The Wall Street Journal rose 12% to more than 3.6 million average subscriptions. Digital-only subscriptions to The Wall Street Journal increased 19% to more than 2.9 million average subscriptions and accounted for 81% of the total Wall Street Journal subscriptions. The Book Publishing segment reported revenues worth $617 million, up 13% year over year. Growth in revenues was driven by robust consumption trends due to higher frontlist sales in General books and a $50 million contribution from the buyout of Houghton Mifflin Harcourt's Books and Media segment ("HMH"). The growth was also driven by the U.K. division and the Christian books category, partly offset by a drop in sales of Children's books. Digital sales rose 8% year over year, gaining from an increase in downloadable audiobooks, and accounted for 17% of Consumer revenues. Adjusted segment revenues increased 4%, while adjusted EBITDA declined 7%.