Through 11/21 Target has Leapfrog books on sale buy one get one free or 2 for as low as $9.99. You can print a $2/1 Tag Junior Books coupon on the Leapfrog website that you could use to grab the following deal:
Tag Jr books starting at $9.99- Buy One Get One Free
Use $2 off Tag Jr coupon
Pay $7.99 for 2 or $3.99 each
Visit Target for more deals.