Emily Jenkins (born September 13, 1967), who sometimes uses the pen name E. Lockhart,[3] is an American writer of children's picture books, young-adult novels, and adult fiction.

She is known best for the Ruby Oliver quartet (which begins with The Boyfriend List), The Disreputable History of Frankie Landau-Banks, and We Were Liars.

[4] She went to Vassar College, where she studied illustrated books and interviewed Barry Moser for her senior thesis,[5] and she attended graduate school at Columbia University, where she earned a doctorate in English literature.

[6] Her first book with the pen name, Lockhart, was the novel, The Boyfriend List, published, in 2005, by Random House Dell Delacorte Press.

They have received honors, including the Oppenheim Toy Portfolio Platinum Book Award (the original Toys Go Out, illustrated by Paul O. Zelinsky)[10] and two runners-up for Boston Globe–Horn Book Award (Five Creatures, illus.