NAACP Travel Advisory Conjures Fears from Years Past Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email The Negro Travelers' Green Book: Fall 1956 ( Victor H. Green & Co. / New York Public Library ) Produced by Isabel Angell and Ellen Frankman Hosted by Todd Zwillich Produced by PRI and WNYC