If you previously placed your orders with Houghton Mifflin Harcourt / HMH, then you will still be able to log in to the Riverside Insights Digital Storefront by using your old HMH login.  

  • If you are still unable to log in then you will need to give our customer services team a call at 800.323.9540.
  • If you are logged in but find you are unable to make a purchase you may need to resubmit your qualifications.


If your credentials do not work at first, try resetting your password by utilizing the Forgot Password link.