Related Clues:

• It may span decades
• Long, heroic story
• 'The Lord of the Rings,' e.g
• The "Star Wars" films, e.g
• Story spanning decades
• "The Thorn Birds," e.g
• Looking back, it's a gas tale
• Continuing drama
• Every second in Shanghai leads to overdrawn account
• It's related to others from Shanghai oddly
• Historical novel, usually
• It's a long story about a thing without substance
• To chat about a Forsyte novel, say
• Flag with a tale of heroism
• Story an entertaining thing to pass round