Before they worked together on FLASH, Geoff Johns and Francis Manapul on a series of Superboy stories that appeared in Adventure Comics and Superman Secret Files. In SUPERBOY: THE BOY OF STEEL, all of these adventures are now available for the first time in paperback, with appearances by Superman, Lex Luthor, Brainiac, Wonder Girl and Krypto the Superdog. Francis Manapul's shared some Superboy process art from his archives, showing us how an artist on the path to comics superstardom brings his distinctive drawing style from sketched idea to polished end product. Check out his images below! Geoff Johns and Francis Manapul's SUPERBOY: THE BOY OF STEEL is available now.