For four long months, ten-year-old Cass has been dreaming of the day her mom, Toodi, will come home. But when Toodi's welcome back party takes a turn for the disastrous, Cass finds herself stuck alone with her dull-as-dirt dad, who insists that they set off for the summer on a mysterious adventure-just the two of them. It turns out Cass's dad has some big-time surprises up his sleeve. Once they hit the road in an old RV named The Roast, he...