[The Hill Road is adequate] historical adventure cum fantasy…. This story is not fully realized as fantasy—perhaps because the picture of life in post-Roman Britain is developed rather casually; perhaps because Dolly and Andrew remain passive, unknowing, almost unthinking participants in their remarkable trip backward through time. Yet it is strengthened by the author's sense of English atmosphere and by his sharply contrasting characterizations of Magra and her stand-in. Fine for readers not yet ready for either the power and poignancy of Rosemary Sutcliff's and Madeleine Polland's realistic stories of the period or Mayne's own evocative, chilling fantasy, Earthfasts…. (pp. 115-16)

Elva Harmon, in School Library Journal (reprinted from the April, 1969 issue of School Library Journal, published by R. R. Bowker Co. A Xerox Corporation; copyright © 1969), April, 1969.