Vanish : a novel
(Book)

A blessed event becomes a nightmare for pregnant homicide detective Jane Rizzoli when she finds herself on the wrong side of a hostage crisis. An apparent suicide victim, a nameless woman, opens her eyes as the medical examiner unzips the body bag. The woman is rushed to the hospital, where with shockingly cool precision, she murders a security guard and seizes hostages . . . one of them a pregnant patient, Jane Rizzoli.