The Technical Support team is trained to help customers use ClassZone as well as answer other product-related questions. Call toll-free, five days a week. View our McDougal Littell Contact List for more details.

All billing, ordering, and products inquiries are handled by our Customer Service representatives. Also, they can locate the sales representative serving your region. View our McDougal Littell Contact List for more details.

You can also send an e-mail directly to our Technical Support team by choosing Technical Support in the drop-down menu below. Other questions and comments, including product information or sample requests, can be sent by choosing Customer Service. All responses will be sent to your e-mail address.

Please note: Submitted ideas or suggestions are not considered confidential or proprietary. Houghton Mifflin Company has no obligation concerning such information and is free to reproduce, use, disclose, and distribute information to others without limitation.

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