American author (1901–1979) best known for her children’s books, as well as Twenty Days, an account of Lincoln's assassination and days that followed. Signed book: Twenty Days. First edition. NY: Harper & Row, 1965. Hardcover with dust jacket, 9.25 x 12.25, 312 pages. Signed on the half-title page in blue ink, “Dorothy Meserve Kunhardt.” Autographic condition: very fine. Book condition: VG+/VG+. Black and white cloth-covered boards; light wear to edges; minor soiling to exterior. Dust jacket in protective mylar sleeve; some minor tears and creases at corners and spine-ends; rubbed and lightly soiled; very slightly yellowed. Kunhardt’s signature is virtually impossible to find in any format, and this is quite possibly the only example of Twenty Days extant. RR Auction COA.