"Seventeen-year-old Maddie O'Neill Levine and her zany family accompany their terminally ill matriarch on her 'death with dignity' cruise, where Maddie falls in love, makes new friends, and struggles to find the strength to let go of her beloved Gram"--
When twelve-year-old Mary Kate joins a special science pilot program focused on climate change, she and her friends come up with big plans to bring lasting change to their community.