From the critically acclaimed author of Float and Glitch comes a new stand-alone adventure full of humor and heart, perfect for fans of Gordon Korman and Dan Gutman Rhett and his brother, Nash, have never been allowed to play board games. It's their mom's most important rule; the twins don't know why, but they know not to push her on it. When their mom suddenly disappears, they're reunited with Ace, their long-lost grandfather, who...