Original Penguin is offering up to $30 off purchases of $75 or more. $20 off orders of $75-100 using coupon code: 20OP. $25 off orders of $100-125 using coupon code: 25OP. $30 off orders of $125 or more using coupon code: 30OP. Shipping is Free for orders of $75 or more (after discount). Coupon expires March 1, 2010.