The author of two highly praised novels, " The Spiral Dance "and "American Woman," R. Garcia y Robertson returns with a charming time-travel romance sequence. In "Knight Errant," Robyn Stafford, a young American woman hiking in England near the Welsh border, was swept back in time to the 1460s, the age of the War of the Roses. There she fell in love with a young knight, Edward, son of the Duke of York. Cast back in time by witchcraft, Robyn, a young...