MacLachlan, Patricia (Personal Name)

Her The sick day, 1979: t.p. (Patricia MacLachlan)

Wikipedia, Sept. 21, 2016 (Patricia "Patty" MacLachlan (born March 3, 1938) is an American children's writer, who is best known for the 1986 Newbery Medal-winning novel Sarah, Plain and Tall.)

Scholastic website, Sept. 21, 2016 (Patricia MacLachlan ; An American author of children's picture books and novels for middle-grade readers, Patricia MacLachlan, was born Patricia Pritzkau in Cheyenne, Wyo., March. 3, 1938, frequently focuses her stories on the family.)