This encyclopaedia is convenient for looking up things.

An up-to-date edition of the encyclopedia will come out next month.

Are you interested in buying an encyclopedia?

An encyclopedia is a mine of information.

He is what is called a walking encyclopedia.

He is, so to speak, a walking encyclopedia.

I went from door to door trying to sell encyclopedias.

A revised edition of the encyclopedia was published.

The salesman talked my parents into buying a set of encyclopedias.

This encyclopedia is issued in monthly parts.

This encyclopedia is beyond the reach of an ordinary student.

This encyclopedia belongs to my wife.