11.   A paperback book of quizzes and other activities is also included.

12.   But readers still spend enough on paperback books to convince publishers that it remains a viable business.

13.   Buying a game can be a lot like grabbing a paperback book off the rack based on the cover.

14.   Cover with a piece of parchment or silicone and weigh the paper down with a paperback book.

15.   Computer games share a problem with paperback books.

16.   Eventually, portable players should be no bigger than paperback books.

17.   Eventually, Sonny got out of furniture and cut way back on paperback books.

18.   Fifteen eighth-graders are sprawled into their favorite reading positions working on a paperback book.

19.   Games are like paperback books.

20.   He expects to do a brisk business with the Jornada, a Windows-driven personal digital assistant about the size of a paperback book.