Houghton Mifflin Harcourt eTextbooks are digital replicas of our award winning textbooks. Now students and educators can access the same great content they've come to expect from Houghton Mifflin Harcourt on iPad - for learning and studying anywhere, anytime. The HMH eTextbooks app allows you to read Houghton Mifflin Harcourt eTextbooks on your tablet device, and even organizes all your titles in one convenient place. Download your free HMH eTextbooks app and start building your mobile library today! Note: HMH eTextbooks cannot be purchased via this app, it is an application for educational institutions to download and view eTextbooks they have purchased and licensed from Houghton Mifflin Harcourt.