Houghton Mifflin Harcourt Company, a learning company, provides curriculum, supplemental, intervention solutions, and professional learning services worldwide. The company operates in two segments, Education and HMH Books & Media. The Education segment provides educational products, technology platforms, and services, including print and digital content in the form of textbooks, digital courseware, instructional aids, educational assessment, and intervention solutions for students. The Trade Publishing segment primarily develops, markets, and sells consumer books in print and digital formats, as well as licenses book rights to other publishers and electronic businesses; and reference materials, such as fiction and non-fiction books, dictionaries, and other reference works to schools, colleges, libraries, office supply distributors, and other businesses. This segment distributes products through retail stores comprising physical and online, and wholesalers. The company was formerly known as HMH Holdings (Delaware), Inc. and changed its name to Houghton Mifflin Harcourt Company in October 2013. Houghton Mifflin Harcourt Company was founded in 1832 and is headquartered in Boston, Massachusetts.