Astral crime fighter Doctor Star discovers a sprawling alien city that desperately needs his help to defend itself against a powerful intergalactic space monster!

Ties directly into the Eisner-Award winning Black Hammer comic books series and is written by main writer Jeff Lemire.

Author: Jeff Lemire
Artist: Max Fiumara
Publisher: Dark Horse Comics
Pages: 32pp
Size: 7 x 10
Notes: saddle-stitched, full color
Release Date: April 4, 2018