Ziggy Marley to join Image Comics for an exclusive signing at Comic-Con International 2010. Grammy Award-winning musician Ziggy Marley is adding another title to his already impressive resume: comic book author. The first issue of Ziggy's book, MARIJUANAMAN, will hit store shelves across the country on April 20, 2011. In support of his book, Ziggy will be making an exclusive one-day-only appearance at Comic-Con International. On Saturday, July 24, Ziggy will be signing MARIJUANAMAN posters with publisher Image Comics from 11:00 a.m. to 12:30 p.m. at booth #2729. Joining him will be artist Jim Mahfood (MIXED TAPES) and co-writer Joe Casey (GODLAND, OFFICER DOWNE).