From the world of the Eisner-award winning Black Hammer series comes a gripping World War II action adventure tale!During the Golden Age of superheroes, an elite Air Force crew called the Black Hammer Squadron bands together to combat the Nazis, a host of occult threats, and their ultimate aerial warrior the Ghost Hunter.This volume collects Black Hammer '45 #1-4 from the all-star creative team of Ray Fawkes, Jeff Lemire, and Matt Kindt, as well as a sketchbook section.