Books: Made in Heaven?

Two BY Two (246 pp.)—Martha Gell-horn—Simon & Schuster ($3.50).

Marriage, an ancient vaudeville joke has it, "is like a beleaguered fortress; those on the inside are trying to get out, and those on the outside are trying to get in." In her new book, Novelist Martha (The Trouble I've Seen) Gellhorn takes the reader on a skillfully guided tour of the fortress; it is her special merit that she observes the outside as well as the inside (including some rarely seen rooms), with equal sensibility. Two by Two contains four studies of the married...