4 miles north of Betws-y-coed, across the bridge from the village of Llanrwst, on the floodplain between the River Conwy and the B5106 road, lies Gwydir Castle, the ancestral home of the Wynn family. Largely of 16th century construction, it's actually what remains of a more extensive Tudor courtyard manor house, and is the finest example of such in Wales. Peter Welford and Judy Corbett, an architectural historian and a bookbinder respectively, pooled their meager life savings and a substantial bank loan to buy the place in the early 1990s. CASTLES IN THE AIR by Corbett is the utterly charming story of the pair's labors to restore Gwydir from its abysmally ruinous condition at purchase to something resembling its former glory. The book offers a little something for everyone. There are the restoration adventures, of course, and also romance; Peter and Judy subsequently marry in an ancient chapel on a nearby hilltop. There's a fairly convincing supernatural ingredient that involves Peter being the unfortunate focus of animosity coming from the ghost of Lady Margaret Cave, a 17th century mistress of the manor, which resulted in his being struck on the head with a spade. There's hidden treasure, in this case the original carved wooden paneling stripped in totality from the dining room and auctioned off as a single lot in 1921 to (as it turned out) the American millionaire William Randolph Hearst, and later bequeathed to New York's Metropolitan Museum of Art, which still had it stored in the original