Houghton Mifflin Harcourt Company provided earnings guidance for the year 2021. For the period the company anticipated billings for the full year to be between $905 million and $955 million, which is 1% to 6% growth over 2020. Adding expectation that over 50% of billings will be derived from connected products this year. Adding outlook for annualized recurring revenue generated from subscription offerings, which expected to contribute 10% to 15% of total billings for the year, up from 6% in 2020.