chap 21:

1 chap 1:giáo viên chủ nhiệm mới 

2 chap 2:nhà mới 

3 chap 3 

4 chap 4: 

5 chap 5: 

6 chap 6: 

7 chap 7: 

8 chap 8: 

9 chap 9: 

10 chap 10: 

11 chap 11: 

12 chap 12: 

13 chap 13 

14 chap 14: 

15 chap 15: 

16 chap 16: 

17 chap 17: 

18 chap 18: 

19 chap 19: 

20 chap 20: 

21 chap 21: 

22 chap 22 

23 chap 23: 

24 chap 24: 

25 chap 25: 

26 chap 26 

27 chap 27: 

28 chap 28: H 

29 chap 29: 

30 chap 30: 

31 chap 31: 

32 chap 32: 

33 chap 33: 

34 chap 34: 