Houghton Mifflin Co. News Release - August 25, 2008

Popular Houghton Mifflin Harcourt Reference Titles Are Now Available through Enfour iPhone Application

Tokyo and Boston — August 25, 2008 — Enfour and Houghton Mifflin Harcourt Publishing Company announced today the global rollout of the first iPhone and iPod Touch applications featuring the American Heritage^® dictionaries and other best-selling Houghton Mifflin Harcourt reference titles. This marks the first time an authoritative reference publisher has made its major works available on a mobile or handheld device

Titles released  include The American Heritage^® Dictionary of the English Language, Fourth Edition; The American Heritage^® Desk Dictionary, Fourth Edition; Wall Street Words and Roget's II: The New Thesaurus. 

Additionally, a large portfolio of other popular Houghton Mifflin Harcourt titles for use on the iPhone and iPod Touch will release in the upcoming weeks.

Specifically designed for the iPhone and iPod Touch devices, these innovative handheld applications enable rich and complete English language reference functionality in your hands—anywhere and at any time.

The flagship title, The American Heritage^® Dictionary of the English Language, Fourth Edition, contains all of the nearly 300,000 terms from the 2,074-page, 7.5-pound dictionary and includes sound, numerous full-color photographs, drawings, and maps. It is the most comprehensive and technologically advanced dictionary available anywhere on any mobile platform.

This custom-built iPhone application features fully searchable and updated definitions, real-voice audio pronunciations, zoomable graphics, bookmarking, annotation and history.

Since 2003, Enfour has been developing highly successful Japanese mobile phone content sites, which incorporate content licensed from Houghton Mifflin Harcourt.  

"We are once again pleased to be working with the outstanding reference materials from Houghton Mifflin Harcourt," said Richard Northcott, president and CEO of Enfour. "We are confident of the global success for these new applications as they incorporate the best technology and content available on any mobile platform to date."

David Langevin, vice president and director of Electronic Markets for Houghton Mifflin Harcourt Trade and Reference Publishers, remarked, “Enfour has once again enhanced our high-quality reference titles with the best technological know-how available. Together with Enfour, we are delighted to offer our customers these specially crafted versions of the American Heritage^® line of dictionaries and other best-selling references on their iPhone or iPod touch."

About Houghton Mifflin Harcourt
Boston-based Houghton Mifflin Harcourt Publishing Company is a global education company with approximately $2.5 billion in combined revenue. The Company publishes a comprehensive set of best-in-class pre-K–12 educational solutions, ranging from research-based textbook programs to instructional technology to standards-based assessments for students and educators. The Company also publishes an extensive line of reference works and award-winning literature for adults and young readers. With origins dating back to 1832, Houghton Mifflin Harcourt combines its tradition of excellence with a commitment to innovation. To learn more about Houghton Mifflin Harcourt, visit www.hmhpub.com.

For more information, call 800-992-1627.

About Enfour Inc.
Enfour, Inc. is a Tokyo-based specialist in multilingual text handling, communications software and imaging for mobile systems. Enfour has been creating Asian language solutions, development tools and packaged software for nearly every handheld computer platform since 1994. Focusing on mobile phone development and online content, Enfour is working with smart-phone manufacturers and mobile carriers to create integrated solutions for consumers in emerging markets.