Cheaper by the Dozen is a 1948 book by Frank Gilbreth, Jr. and Ernestine Gilbreth Carey that tells the story of time and motion study and efficiency experts Frank Bunker Gilbreth and Lillian Moller Gilbreth, and their twelve children. It was adapted to film in 1950, with a second film of the same name being produced in 2003. This second film shared only the title and the...