Possible Clues:

• "The Remoulding of Groby Lington" author
• ''Tobermory'' writer
• Writer succeeded with a succinct version of "The King and I"
• In Odessa, kirsch is a drink served hot or cold
• Munro to be enjoyed in addition to the 284
• Alias of H. H. Munro
• Scottish short story writer
• Scottish writer regularly seen in Shanklin
• "The Open Window" storywriter
• 'The Square Egg' author