[Black and Blue Magic includes] some remarkable adventures…. Magical events, which are always humorous and often downright funny, a good sense of place, and amusing characterizations make a book that can be introduced successfully even to boys who normally scorn fantasy.

Ruth Hill Viguers, "Spring Booklist: 'Black and Blue Magic'," in The Horn Book Magazine (copyright © 1966, by The Horn Book, Inc., Boston), Vol. XLII, No. 3, June, 1966, p. 308.