Refund policy
Returns and Refund Policy
Last updated: October 2026
We want you to be happy with your purchase from DSM Books. If you are not, you may return eligible items under the terms below.
Return window
You may request a return within 30 days of delivery.
Eligibility
Books must be returned in new, unused condition, in their original state and packaging.
Return shipping
You are responsible for return shipping costs unless the item arrived damaged or defective, or we sent the wrong item. In those cases, contact us and we will arrange the return at no cost to you.
How to start a return
Email support@dsmbooks.org with your order number and the reason for the return. We will reply with return instructions. Returns are sent to: DSM Books, 2892 S Orange Ave, Fresno, CA 93725, United States.
Refunds
Once your return arrives and is inspected, we will refund the original payment method within 5-7 business days.
Questions
Contact us at support@dsmbooks.org or +1 434 233 9618.