"Eleven-year-old Ellis Johnson has the summertime blues. He dreamed of spending the summer of 1976 hanging out with friends, listening to music, and playing his harmonica. Instead, he'll be sleeping on a lumpy pullout in Dad's sad little post-divorce bungalow and helping bring Dad's latest far-fetched, sure-to-fail idea to life: opening the world's first chocolate chip cookie store. They have six weeks to perfect their recipe, get a ramshackle A-frame...