This mystery set in the world of superheroes follows a reporter determined to find out what happened to her father: The Black Hammer. All answers seem to lie in Spiral City's infamous insane asylum where some of its dangerous super-villain tenants reside. As she gets closer and closer to the truth she uncovers the dark origin stories of some of Black Hammer's greatest foes and how they tie into the puzzle of what happened to Spiral City's greatest hero.

Collects the first four issues of Sherlock Frankenstein and Black Hammer #12 from New York Times bestselling and Eisner-nominated creator Jeff Lemire!

Author: Jeff Lemire
Artist: David Rubin
Publisher: Dark Horse Comics
Pages: 128pp
Size: 7 x 10
Notes: paperback, full color
Release Date: May 9, 2018
ISBN: 978-1506705262