*Flat rate standard shipping is valid for individual online book orders shipped to a single address within the U.S. only. Product sub-total must be at least $50 AFTER discounts are applied. Book discounts will automatically be applied during checkout. Most orders shipped via standard shipping will arrive in 6 -10 business days but are subject to any USPS delays. Please note that we cannot guarantee delivery before December 25; please consider priority shipping for a specific delivery deadline.We can not guarantee delivery dates. Sale ends December 1, 2022 (11:59 P.M. PT) but is subject to change and/or end without notice. Sorry, no price adjustments on prior purchases and offer valid only while supplies last.