"Batman carries shark repellent as a nod to the unique and quirky elements found within the Batman universe. Brian Cronin's "Why Does Batman Carry Shark Repellent?" is a nonfiction trivia book published by Plume in 2011. Aimed at young adults and adults, this trade paperback delves into the world of superheroes and comic book trivia, showcasing the often humorous and bizarre aspects of the popular superhero genre. With illustrations by Kev Hopgood, this book is a must-read for fans of Batman and comic book enthusiasts looking to explore the hidden mysteries of the superhero world."