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The procedure for gaining instructor access to former Houghton Mifflin websites has changed recently due to the integration of former Houghton Mifflin websites into Cengage Learning's eResource Single Sign-On. You will no longer be required to request a Passkey for access.

If you already have an Instructor eResource Single Sign-On account, please log in at to add your current former Houghton Mifflin text to your account.

If you do not have an account yet, please go to and click on Create My Account to begin the process.

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