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The Hollow Hills is a novel by Mary Stewart. It is the second in a quintet of novels covering the Arthurian Legends. This book is preceded by The Crystal Cave and succeeded by The Last Enchantment. The Hollow Hills was written in 1970 and published in 1973.
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Wildfire at Midnight is a novel by Mary Stewart, first published in 1956. Stewart herself described the book as "an attempt at something different, the classic closed-room detective story with restricted action, a biggish cast, and a closely circular plot".
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The Wicked Day is a 1983 fantasy novel by Mary Stewart. The fourth in a quintet of novels covering the Arthurian legend, it is preceded by The Last Enchantment and succeeded by The Prince and the Pilgrim.