Mr. Complain is ready for his vacation in Dullsville, but on the train ride there, nothing is the way he likes it. First, the engine is too loud. Then, the passengers are too happy. Plus, the cars are too crowded, the seats are too lumpy, and his seatmate is too prickly. And that's all before the train even leaves the station! Will Mr. Complain ever be able to relax and enjoy the ride? Find out as he travels through mountains, volcanoes, caves, and even oceans in this silly interactive story that's perfect for train- and animal-loving kids.