Possible Clues:

• ''The Rube's Honeymoon'' author Zane
• Cabaret co-star
• 'The Last of the Plainsmen' novelist
• Black-white tone
• Writer from Zanesville
• Such is ill-defined, where the elderly congregate?
• Sombre colour
• E.L. James color
• Neutral tone
• 'Rangers of the Lone Star' writer