By Greg Aunapu and Susan Billig. "The Disappearance of Amy Billig -- A Mother's Search For Justice." The younger Billig was, apparently, "carried off by" a biker gang; the elder Billig plunged into the underworld to find her/justice.
Blurbed by two of the less tasteful authors in the genre, the PB is in fine enough shape for a reading copy: edgewear, a cracked spine, but sits very straight.