| 1. | _40 percent of paperback books purchased in the United States are romances
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| 2. | During this period he created freelance cover illustrations for paperback book covers.
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| 3. | It is available both as a paperback book and in electronic format.
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| 4. | She prices paperback books at 10 or 15 cents apiece, for example.
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| 5. | They carefully chose 500 paperback books to bring along on the trip.
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| 6. | Purchased this paperback book at an American supermarket sometime in the 90's.
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| 7. | Paperback books have cheaper, flexible covers which tend to be less durable.
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| 8. | They did not feature the flexible covers usually associated with paperback books.
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| 9. | (Eds : This file is the full best-seller list for paperback books.
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| 10. | Gumperz ran Malik Verlag, an early publisher of paperback books in Europe.
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