Possible Clues:

• Huge number of calamari briefly overwhelming large cat
• Writer in Holy Land situation producing an enormous amount
• Historical writer, one going into issue a great deal!
• Writer I included in child's number
• Indefinite very large number
• Old writer in Jerusalem, extraordinary figure
• Boy holding feather — one, or a huge number?
• Extremely large but unspecified number
• Old writer in Jerusalem, huge figure