Contact & Customer Support

We welcome questions about our educational publications, digital purchases and downloadable learning materials.

Contact Us

Digital Purchase Assistance

If you have difficulty accessing a purchased publication, please provide the email used at checkout, the publication title, a brief description of the issue and your order or receipt reference if available.

Please do not send credit card numbers, passwords or other sensitive payment information.

Refund and Billing Questions

Downloadable digital books are final sales once successfully purchased and delivered. If you experience a duplicate charge, billing error, delivery failure or another qualifying issue, contact us. See our Digital Book Refund Policy.

Educational Content Questions

We welcome reports of possible errors in our materials. Please identify the publication, page or problem number and the issue. We will review reports and determine whether a correction or clarification is appropriate.