Christian Book
Details: Free Standard Shipping on orders of $100 or more! Just enter promotion code when you begin checkout. This promotion code can be used multiple times between now and 11:59pm Eastern Time on Saturday, August 31, 2013! Cannot be combined with other offers. US delivery addresses only.
Half.com
Details: New Users Save 10% on $20+ Book Purchases. Max discount $25. Offer expires 9/14/13.