We offer free standard shipping to US and Canadian locations based on the total amount spent excluding tax and shipping. 
 

US orders over $50 receive free standard shipping to a single shipping address. The delivery service is as follows:
 

• US orders over $50 that weigh less than 5 pounds ship free via USPS–BPM
• US. orders over $50 that weigh more than 5 pounds ship free via UPS Ground

UPS delivery service is not available to PO Box addresses within the US.
 

Canadian orders over $99 (US) receive free standard shipping to a single shipping address.
 

eBooks and audiobooks are included in the calculation of the order total to receive free ground shipping. Additionally, the order total for free shipping will be determined after any discounts or promotions are applied.
 

Please note that our shipping policy may change at any time without notification.