DC Comics and Dark Horse Comics present the ultimate superhero crossover event of 2019! A strange man arrives simultaneously on Black Hammer Farm and in Metropolis and both worlds are warped as Starro attacks! Batman, Green Lantern, Flash, Wonder Woman, Superman, and more crossover with Golden Gail, Colonel Weird and the rest of the Black Hammer gang! Collects Black Hammer/Justice League: Hammer of Justice #1-5 and featuring pinup art by Yanick Paquette, Yuko Shimizu, Matteo Scalera, Andrea Sorrentino, Doc Shaner, Jill Thompson, and more! New York Times bestselling author, Jeff Lemire, is the creator of the acclaimed graphic novels Sweet Tooth , Essex County , The Underwater Welder and Trillium . His upcoming projects include the original graphic novel Roughneck from Simon and Schuster, as well as the sci-fi series Descender for Image Comics (with Dustin Nguyen) and Black Hammer for Dark Horse Comics (with Dean Ormston). Jeff has also written Green Arrow , Justice League and Animal Man for DC Comics and Hawkeye for Marvel Comics. In 2008 and in 2013 Jeff won the Schuster Award for Best Canadian Cartoonist. He has also received The Doug Wright Award for Best Emerging Talent and the American Library Association's prestigious Alex Award, recognizing books for adults with specific teen appeal. He has also been nominated for 8 Eisner awards, 7 Harvey Awards and 8 Shuster Awards. In 2010 Essex County was named as one of the five Essential Canadian Novels of the Decade. He currently lives and works in Toronto with his wife and son.