Poetry and Rhymes

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

More Questions from Poetry and Rhymes
What city was T.S. Eliot from?
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What did the "Farmer in the Dell" take?
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Who wrote the poem "Annabel Lee"?
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Whose poem is titled "Let America Be America Again"?
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In the nursery rhyme "Jack and Jill", why did Jack and Jill go up the hill?
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In the rhyme "Hickory Dickory Dock", what time did the clock strike?
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Whose poem is titled "American Football"?
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Whose death inspired Walt Whitman's poem "O Captain! My Captain!"?
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