Billy Hooten's inquisitive, five-year-old neighbor inadvertently finds her way to Monstros, the underground city where Billy fights crime as the superhero Owlboy, and he must save her from the monstrous inhabitants.
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2 primary booksBilly Hooten, Owlboy is a 2-book series with 2 primary works first released in 2007 with contributions by Thomas E. Sniegoski.
