The title of the email is depends on book/event/sports/more* that you have choose. for example,
"your friend is interested to go for holiday at Tasik Madu, In about 50 words, write an email to your friend about the place. In your email:
-encourage him/her to go to Tasik Madu
-give reason to support your answer
-add other relevant information to make your writing interesting"
in this question, you must encourage your friend to go there. write about the information of Tasik Madu. Usually, the informations are in the next page before this question.