Langford, David. "The Spear of the Sun"
What if: G.K. Chesterton wrote science fiction stories.
Summary: An alternative Father Brown mystery.
Published: In Interzone #112 (October 1996); Year's Best SF 2 (ed. David G. Hartwell), HarperCollins 1997 (0061057460BUY), SFBC 1997; Alternate Skiffy (eds. Mike Resnick and Patrick Nielsen Hayden), q.v.; and Asimov's Science Fiction, February 1998.
Original in: English.
Translation: Italian by Marina Cecchinelli as "La lancia del sole", in Le trappole dell'ignoto (ed. David G. Hartwell), Mondadori 1998.