In Alan Garner's story the moon of Gomrath rises over an unmistakably British countryside and over a hidden, ageless underworld of frighteningly evil powers and almost equally fearsome champions of the good…. ["The Moon of Gomrath"] jumps abruptly from one Tolkienish shiver to another, but there is a gripping power to these episodes of creeping horror, reminiscent of those in Charles Williams' adult novels of the occult.

Andrew B. Myers, "New Books for Young Readers: 'The Moon of Gomrath'," in The New York Times Book Review (© 1967 by The New York Times Company; reprinted by permission), October 22, 1967, p. 62.

With his latest novel, The Owl Service, Alan Garner has moved away from the world of children's books and has emerged as a writer unconfined by reference to age-groups; a writer whose imaginative vein is rich enough to reward his readers on several different levels, whether they are old or young...