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Your questions and comments are very important to us. Please select the type of inquiry from the pull-down list below, fill out the required information, and click "Submit." Incomplete or incorrect information may delay your request. Submitting a comment or question via the Contact Us form will not add you to any mailing list. Due to the volume of mail received, we cannot guarantee a personal response.

If you are a student who has a verified disability that prevents you from using standard instructional materials, please have your school's Disabilities Service Coordinator or other school official fill out the request and agreement for the electronic file you require.

If you are an instructor seeking information on products for course adoption, please visit our academic catalog:

If you need technical support please visit

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