"When Ellie and her brother Zeb get dropped off for vacation at Grandma's house, they know they are in for a rough summer. No TV, raisin cookies, a very grumpy cat, and everything fun is off-limits! And what's up with the secret, locked room and its closet full of forbidden games? A board game with bright colors and sugary-looking pieces keeps calling to Ellie. When Grandma sort of gives them permission to try it, they jump at the chance. With one...