When they travel by train across America, Christina, Grant, Mimi, and Papa find themselves facing mysterious mishaps, spooky surprises, and treacherous tunnels.
While traveling on the train to San Francisco with his cousin Olivia's owl, Nate the Great and his dog Sludge must use all of their detective skills when the owl suddenly disappears.
"This search-and-find book invites early readers to look for new vocabulary words and pictures while giving simple facts about trains and how they transport people and oil"--Provided by publisher.