Download or read book Batgirl and the Birds of Prey (2016-2018) #21 written by Julie Benson and published by DC Comics. This book was released on 2018-04-11 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: ÒFULL CIRCLEÓ part three! The Calculator has broken Blackbird and Fenice out of Arkham Asylum, putting targets on BatgirlÕs and HuntressÕs backs. And while our heroes are out of the picture, Calculator holds Gotham City hostage in exchange for OracleÕs identity. The team will have to risk setting a trap for CalculatorÑa dangerous move that could expose Barbara GordonÕs deepest secrets!