Mercedes Lackey

Seeking to make their fortunes in human society, the elves of the underworld involve themselves in stock car racing, child pornography, and worse, and three runaway kids find themselves in a heap of trouble. Reissue.

By the Sword is the name of a 1991 fantasy novel by Mercedes Lackey. This is a stand-alone novel which connects the Vows & Honor series to the Valdemar Saga; it introduces the character Kerowyn and fills in what had been some gaps in the series.