Poetry and Rhymes

Where is the light in the title of Shel Silverstein's poetry book?

More Questions from Poetry and Rhymes
In a popular Italian fairy tale, Ancilotto is the king of what kingdom?
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From which of Poe's poems is the following quote taken: "This I whispered, and an echo murmured back the word, Lenore!"?
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Who wrote the collection of poems entitled "Horse Latitudes"?
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Who wrote the poem "Silent, Silent Night"?
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The film "Barfly" was based on the life of what poet?
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Whose poem is titled "Message"?
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What did Humpty Dumpty sit on?
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Robert Frost's poem "A Road Not Taken" refers to which of these?
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