11.   No early review copies were sent out, and the books have been shipped in unmarked boxes to deter interception, then locked in regional storehouses until this week.

12.   Review copies were withheld, no author interviews were allowed and foreign translations were deferred for fear of leaks.

13.   Review copies are currently circulating among booksellers and critics, generating considerable talk and more than a few blushes.

14.   Since I write about computers, there are usually plenty of review copies to try.

15.   But advance review copies already had been sent out.

16.   Review copies currently are circulating.