Wendy's Gives Back with Frosty Coupon BookSorry you missed this deal. You’ll love the current Hot DealsBack this fall, when you purchase a $1 Halloween coupon book filled with 5 free Jr. Frosty™ coupons $0.85 of every dollar will go to the Dave Thomas Foundation for Adoption® to help find loving families for children waiting in foster care. The coupons would make for a great alternative to Halloween candy for trick-or-treaters! The Coupon Books are available for purchase now through Oct. 31.