Possible Clues:

• A concluding alternative for Shelley's poem
• Shelley poem, '--; or the Spirit of Solitude'
• Reveal a storehouse holding Shelley's work
• Shelley's nemesis offers a final alternative
• Reveal a story including Shelley's 'demon of solitude'
• Gods err, surprisingly, in Maugham character
• Reveal a storehouse including Shelley's work
• Shelley's contemplative is unfortunately over the hill
• Shelley's solitary is unfortunately over the hill