Global paper supply chain issues may impact the availability of some Cengage printed materials. We encourage you to check on existing orders to confirm whether or not our tentative in-stock due dates will meet your course “need by” dates. We encourage customers to work with our Support team to apply backorder cancelation dates on existing backorders. This ensures orders do not ship after your need has already been met and avoids unnecessary returns. You can check your order status by logging in and searching for outstanding orders. To cancel an order or apply a backorder cancelation date to an existing order, please contact Customer Support at (800) 354-9706.