21.   I picked up a book and threw it across the room.

22.   If no one involved with a book has read it properly, why should the public bother?

23.   If the cover of a book gets torn, the library sends it to be repaired.

24.   If the second edition of a book contains revision material, it is the first revised edition.

25.   If you borrow a book make sure you return it as soon as possible.

26.   If you feel a book or other item is inappropriate, take the opportunity to discuss it.

27.   If you have problems finding a book, ask a member of the library staff.

28.   If you need to renew a book, you can do it by phone.

29.   In another, he sports a military uniform while reading a book.

30.   In writing a book for a general audience, I have relied heavily on the research of experts in the field.