What is houghton mifflin?

Houghton Mifflin is an educational and trade publishing company based in the United States, known for producing textbooks, instructional materials, and literary works. Founded in 1832, it has published a wide range of educational resources for K-12 schools, as well as renowned literature and reference books. The company has undergone various Mergers and Acquisitions, and it is now part of Houghton Mifflin Harcourt, focusing on educational publishing and digital learning solutions.