$120 Bonus Coupon Book from P&G

From their website:

Step 1:
Purchase $50 worth of ANY P&G products between 12/14/2008 and 1/31/2009.

Step 2:
Circle the P&G products and their corresponding prices on your original cash register receipt. (Click here to see a list of P&G products.)

Step 3:
Print the form and fill it out.

Step 4:
In a stamped envelope, enclose the form and original dated sales receipt with item descriptions and product purchase prices circled.
Mail to:
P&G Year of Savings Rebate 5400-570
PO Box 750289
El Paso, TX 88575-0289

For a preview of the coupons included in the book, click here.