In addition to providing cut out paper coupons for various restaurants, they also have a discount card for ongoing standing offers at various eateries. The coupons are great - usually in the form of "buy one entree, get one free". To name a few places with coupons like these: Tortilla Sam's, The Restaurant at Tatnuck Bookseller, The Garden Cafe at Living Earth. There's a whole bunch more, and that's just places to eat - they also have movie ticket discount coupons and admissions discounts (buy one get one free) to places like the WAM, Tower Hill Botanical Garden, Davis Mega Maze, and more.
If people are interested, I can refer your email to the site, and you'll get a $5.00 discount on purchasing the book (it's normally $20.00, that's how I got it for $15.00 from a link my mom sent me). Reply here and I'll set you up.
[EDIT: Apologies, it's actually a retail of $25.00 for the book, with a $10.00 discount - ergo, it's still $15.00 for the book]