This is a must-have comic book for any fan of DC Comics' Teen Titans. Issue #21 features the first appearance of the character Brother Blood, and is in very fine shape for its age. The comic is from 1982 and is a single issue format. The creative team behind this comic book includes George Perez, Marv Wolfman, and Adrienne Roy. It is a US Comics tradition series published by DC Comics. This comic book is a key issue and is categorized as a collectible in Comics & Graphic Novels, Comics, Comic Books & Memorabilia, and Collectibles. It is a single unit and is not signed.