Twelve-year-old Edie and her impossibly cool cousin, Rae, set out to complete a mysterious list of "Good Ideas for Summertime" that their eccentric late grandmother wrote back when she was their age. But good ideas? Most of them seem like bad ideas. Reckless. Foolish. Ridiculous. Still, by accomplishing everything on the list, rule-abiding Edie feels certain that she can become the effortlessly brave adventurer she dreams of being, just like her daring...