Cheaper by the Dozen

237 pp. Illustrated with drawings by Donald McKay. "Cheaper by the Dozen is a biographical book written by Frank Bunker 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. The book focuses on the many years the family resided in Montclair, New Jersey. It was adapted to film by Twentieth Century Fox in 1950."