Return Policy

All physical books are fulfilled by Amazon and follow Amazon's standard return policy — most items are eligible for return within 30 days of delivery.

Because digital resources are delivered instantly, they are non-refundable. If a file is corrupted or misdelivered, contact us within 14 days for a free replacement.

Bundle refunds are handled item-by-item — physical items follow Amazon's policy, and digital items follow the download policy above.

Email hello@dauthorzone.com with your order number and reason. We reply within one business day and guide you through next steps.