Possible Clues:

• “Beowulf,” for one
• 'The Odyssey,' e.g
• E.g. the Iliad, Paradise Lost
• Virgil's 'Aeneid,' for one
• Don Juan, for one, is monumental awkward mope
• Spenser's "The Faerie Queene," for one
• Don Juan, for one, from old transport company comes back around park from Limerick
• 'Don Juan,' for one
• Long lines?
• Long story in verse form