The Thread of Life: An Introduction to Molecular Biology

Return/Refund Policy: Items are eligible for refund for 30 days after the order's estimated delivery date. If you are dissatisfied with your purchase due to error on our part or if an item does not arrive within the estimated delivery time frame provided at the time an order is place, please contact our customer service team for immediate resolution. We will accept items for return if the item is no longer needed for 15 days of the items arrival date.

All returns must be approved before an item is shipped back. Domestic returns generally take two weeks and International returns can take up to six weeks to be received and processed by our return center. In the event that an item is being returned due to an error on our part, a prepaid return label will be supplied via email upon request. If a return is not approved, there may be a delay with processing a refund.

Orders usually ship within 2 business days [M-F]. Items shipped via USPS Standard Mail should arrive within 4-14 business days [M-F]. Please note, as per USPS, depending on service location and/or high peak periods within the post office, deliveries can take up to 21 business days [M-F] to arrive. Should your order not arrive within 21 business days [M-F], please contact us promptly for resolution.