Guion The Lion, an inspirational children’s book that celebrates the differences in all children through a colorful and exciting journey, is now available on Audible just in time for World Down syndrome Day. Actor and singer Jeremy Renner, best known for playing Hawkeye in the Marvel Cinematic Universe films, has volunteered to narrate the highly praised book after meeting author Rebecca Wilson Macsovits and her son Guion, who happens to have Down syndrome, at the Avengers: Endgame premiere. Guion, who is…