In The Caboose Who Got Loose by Bill Peettells the story of Katy Caboose in a rollicking rhyme. Katy Caboose is unhappy with her life at the end of the train full of bumps and jolts and billowing smoke. She envies the things she sees passing through the countryside and longs to be like a barn in a field or a cabin alone in the woods. One day, Katy gets jolt off the back of the train and finds the life she’s always wanted in a very surprising way!