The atmosphere of the paddock is so vividly re-created [in The Black Stallion's Filly] that I found myself adding sugar lumps to my grocery list against the chance that I might run across a stray horse or two before the day was out. Mr. Farley knows his field well and he tells a good, swift story.
Margaret Ford Kieran, "New Books for Children: 'The Black Stallion's Filly'," in The Atlantic Monthly (copyright © 1952, by The Atlantic Monthly Company, Boston Mass.; reprinted with permission), Vol. 190, No. 6, December, 1952, p. 102.