Books are the unique medium through which we contact mighty minds of ages. Books tell us about their feelings what they said and what they did. Books are one of the greatest friends to us. They introduce us to the best humanity. They are reliable records of the history. A book is a valuable living voice. We can know about the thoughts and rituals of past men through books. We should read good books and avoid worthless ones. A good book is a friend of loneliness and a nurse in ailment. We can find real happiness by reading good books. (a) unique (antonym); (b) mighty (antonym); (c) humanity (synonym); (d) reliable (antonym); (e) valuable (antonym); (f) ritual (synonym); (g) worthless (synonym); (h) loneliness (synonym); (i) ailment (synonym); (f) happiness (antonym).