Iron Maiden's Bruce Dickinson sings with Billie Joe Armstrong, signs new book at San Diego Comic-Con

Iron Maiden's lead singer Bruce Dickinson recently made an appearance at San Diego Comic-Con. He was joined by Billie Joe Armstrong for a singing performance. Dickinson also used the opportunity to promote his work, specifically a new book in his graphic novel series.

The series is called "The Mandrake Project: Year Two". Further details about Dickinson's appearance and his graphic novel series are available from the source, including comments from the musician himself describing the project.