According to the AAP, revenue of religious presses increased 14.7% in 2018 over 2017, to $1.22 billion. Print formats made up most of the revenue (76%) with hardbacks accounting for 43.5% of sales, or $532.8 million.Trade paperback sales were pegged at $387.3 million, 31.6% of sales.

E-books sales increased their share of the religious presses revenue pie, accounting for 6.9% of the total revenue last year, up from 4.7% in 2017.Downloaded audiobooks sales account for 3.1% of 2018 revenue, the AAP said, up from 1.9% in 2017. sales.