Houghton Mifflin Harcourt Schedules Conference Call to Discuss Second Quarter 2019 Results July 18, 2019
Houghton Mifflin Harcourt Announces the Completely Revised 20th Anniversary Edition of How to Cook Everything: The Essential Cookbook by Mark Bittman That Has Sold Over One Million Copies July 02, 2019
Houghton Mifflin Harcourt Announces the Publication of Comicbook Legend Stan Lee’s "A Trick of Light" June 24, 2019
Houghton Mifflin Harcourt Introduces Math in Focus ©2020, Delivering Visual, Hands-On Learning to Raise Mathematical Achievement for K-8 Students May 21, 2019
Houghton Mifflin Harcourt Announces First Quarter 2019 Results in Line With Expectations May 09, 2019