From the Mixed-Up Files of Mrs. Basil E. Frankweiler (Signed Copy) / Konigsburg, E.L.

Atheneum Books for Young Readers, 1967. 30th printing. Hardcover. Signed by author on half-title page. Price-clipped front flap. some age-toning of dust jacket. Previous owner's gift note at head and foot of front paste-down, noting the signed copy.