Cheaper by the Dozen 2 together at Lake Winnetka. Tom's old rival, Jimmy Murtaugh, and his large family (with "only" eight kids) are also there for the summer. He constantly flaunts his wealth and success to Tom, as well as the accomplishments of his children, often suggesting to Tom that his are less successful because of his parenting style. They get into many incidents, several of which are accidental: Mark Baker, along with Kenny Murtaugh, crashes into a tennis court with a golf cart, Sarah Baker is caught shoplifting in a gift shop, and Mark accidentally sets off a backpack of fireworks, causing widespread panic,
Cheaper by the Dozen would pretend to ponder the question carefully, and then, just as the light turned green, would say, "Well, they come cheaper by the dozen, you know," and drive off. In real life, the Gilbreths' second eldest child, Mary, died of diphtheria at age five. The book does not explicitly explain the absence of Mary Gilbreth. It was not until the sequel, "Belles on Their Toes", was published in 1950 that her death is mentioned in a footnote. "Cheaper by the Dozen" was made into a 1950 motion picture, starring Clifton Webb and Myrna Loy as Frank and Lillian Gilbreth. "Cheaper