The Amazon series adaptation of the Sunny Hostin novel “Summer on the Bluffs” has taken a step forward, with Norman Vance Jr. boarding the project as showrunner. It remains in development. Vance will executive produce the series alongside Hostin and Regina Jansen of Sunny Hostin Productions. 20th Television will executive produce, with Amazon MGM Studios producing. Octavia Spencer had previously been attached as an EP but is no longer involved in the show. Variety exclusively reported that “