Uncanny Treks: Gotham City Sirens- Songs of the Sirens (2010, Comic)

Someone's hunting the Sirens. Bob and Matt continue Paul Dini's Gotham City Sirens with Songs of the Sirens (vol. 2), collecting #8-13 plus Catwoman #83. Catwoman, Poison Ivy, and Harley are settling into their uneasy alliance — Riddler included — when a mysterious villain starts targeting all three of them for death. Dini keeps the character work sharp while the noose tightens. Matt tracks the suspects; Bob just enjoys watching Harley be Harley in a book that lets her.