How to use a Mayer coupon
Mayer-Johnson offers free shipping on orders over $50 - no coupon needed. Be sure to check their "Sale" section to find select titles at discounted prices. Mayer-Johnson also offers a number of free trials on their website. You can find those under the appropriate heading. Check their Facebook and Twitter streams for exclusive sale events and the promo codes needed to take advantage of them. More offers from Mayer-Johnson can be found at Coupons.com.