Powerbooks Greenbelt will be having back-to-back events this Saturday. First is heART WORKS, which is a charity event where you can bid for pieces of original artwork by great Filipino artists, for the benefit of the victims of the recent natural calamities in the south. This is followed by the book launch of the “Superior” graphic novel by Mark Millar and Lenil Yu (and inked by Gerry Alanguilan). Both Lenil and Gerry will be there for the event.