Black heart /
Holly Black.
- 1st ed.
- New York : Margaret K. McElderry Books, c2012.
- 296 p. ; 22 cm.
- The curse workers ; bk. 3 .
Cassel Sharpe, a powerful transformation worker, is torn between his decision to work for the federal government and his love for Lila, who has joined her father's criminal organization.