“Madeline’s Christmas,” musical adaptation of Ludwig Bemelmans’ classic book, returns to Horizon Theatre Company in Little Five Points this holiday season for the sixth year. Based on one of the most popular children’s book characters of all time, the production features 24 local girls performing alongside professional actors in two casts. Madeline and her friends are sure to enchant audiences of all ages with their holiday adventure filled with laughter, magic and newfound friends.