What should I do if I ordered my book twice by accident? Juliana M. July 01, 2021 04:18 Updated Follow If you made a duplicate order or have been charged twice, please contact us here, as soon as possible, within 4 hours. We will cancel the duplicate order and issue a refund. If you have any questions, please don't hesitate to contact us! Related articles How can I edit or cancel my order? Do you accept returns? How do I contact PastBook? What should I do if I didn't receive my book? What is the PastBook Happiness Guarantee?