The correct order for the response text is:
1. From: Russian friend @mail.ru
2. To: Anna, mail.uk
3. Subject: books
4. Dear Ann,
5. Thanks for your email.
6. It was great to hear from you again.
7. In your letter you asked me about books.
8. As for me, I read not so many books a year, about 8-12. I haven’t much time because I go in for tennis.
9. Well, most of I like to read historical novels because I like History very much. It is my favourite subject at school. I’ll take exams on it in June.
10. Usually we discuss different books, write essays at Literature lessons.
11. Write soon.
12. Well, I’d better go now as I have to do my homework.
13. Ivan.