The Book Closes on HMH Trade With HCâs purchase of the division complete, integration begins By Jim Milliot | May 14, 2021 After a less-than-two-month review by regulatory authorities, HarperCollins’s purchase of the Houghton Mifflin Harcourt trade division was completed May 10. HC parent company News Corp had announced March 29 that it reached an agreement with Houghton Mifflin Harcourt to buy the division for $349 million in cash. In comments to PW when the deal was announced, HC CEO Brian Murray said HMH trade would benefit from being part of a trade publishe...