1.   And in a striking puzzle, the more e-texts Baen Books makes available, the more it has been able to sell printed books.

2.   Avid readers who were concerned that the Internet would mean the demise of printed books can relax now.

3.   If printed books could be reproduced simply, cheaply and attractively on a super photocopying machine, the publishing industry would wither.

4.   It is not necessarily better than printed books, nor need it supplant them.

5.   Over the last year, librarians have begun entering the entire card catalogue of printed books into a computerized file that is accessible to scholars worldwide via the Internet.

6.   Printed books have been popular for five centuries, of course, and have enjoyed great success despite the aforementioned shortcomings.

7.   Printed books have been popular for five centuries, of course, and have enjoyed great success.

8.   The tepid demand comes as no surprise to bibliophiles, since printed books still work just fine.

9.   They, after all, lived in an age not only before computers and telecommunications, but even before printed books.

10.   E-books are already sold according to a different formula from printed books.