Possible Clues:

• He wrote of ''sour grapes''
• Storyteller sends up main work
• Writer, American, to sit back
• Fables author
• 'The Tortoise and the Hare' author
• Fable guy
• Writer of anthropomorphic tales
• Greek author, famous for his fables
• Fabulous fellow
• 'The Ant and the Grasshopper' storyteller