Meg Murry, her brother Charles Wallace, and their friend Calvin O'Keefe become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

"Originally published in the United States by Farrar, Straus, and Giroux"--T.p. verso.

An appreciation by Anna Quindlen -- Mrs. Whatsit -- Mrs. Who -- Mrs. Which -- The black thing -- The Tesseract -- The happy medium -- The man with red eyes -- The transparent column -- IT -- Absolute zero -- Aunt Beast -- The foolish and the weak -- Go fish : questions for the author -- Newbery Medal acceptance speech : The expanding universe.