On Friday, the Street Fair of the Miami Book Fair International gets under way. The highlight of the Street Fair is the Festival of Authors, with more than 350 authors reading and discussing their work, including the Latin American and Spanish authors who participate in the IberoAmerican Authors Program. Thousands of South Florida schoolchildren will help kick off the Street Fair, making the trip downtown Friday to hear authors and participate in Children’s Alley activities, including theater, arts-and-crafts, storytelling and readings by children’s book authors. Comics and graphic novels are once again featured, with the school of comics on Friday and a new section just for kids and teens, as well as presentations over the weekend by renowned graphic novelists and illustrators. More than 250 publishers and booksellers exhibit and sell books, with special features like the antiquarians, who showcase of signed first editions, original manuscripts and other collectibles.