Initially serialized in Spirou magazine in 1984, XIIIA" was created by Jean Van Hamme, the author behind ThorgalA" and Largo WinchA"-the latter in comic and book form as well as on the big screen-and William Vance, illustrator of the bestsellers Howard Flynn,A" Bruce Hawker,A" Bruno Brazil,A" Bob MoraneA" and Marshall Blueberry.A"