I have read all orignal series goosebump books heres where i'd rank them all from my favorite to least favorite [ones with the same number are ties]

.1 the huanted school

2.beware the snowman

3. the phantom of the auditorium

4. night of the lving dummy 2

5.say cheese and die

6. calling all creeps

6 welcome to dead house

7. ghost camp

7. the ghost next door

8. ghost beach

9. piano lessons can be murder

10. the scarecrow walks at midnight

11. my best friend is invisible

12. the huanted mask

13. night of the living dummy

13 stay out of the basment

14. the curse of camp cold lake

15. the headless ghost

16. reavenge of the lawn gnomes

17. monster blood

17 lets gte invisible

17. attack of the jack-o-lanters

18. monster blood 2

19. the barking ghost

19 werewolf skin

20. monster blood 3

21. monster blood 4

21 the girl who cried monster

22. the horror at camp jellyjam

23. chicken chicken

24 the huanted mask 2

25 say chesse and die again

26 the abminable snowman of pasdena

27 egg monsters from mars

28 deep truoble 2

29 the curse of the mummys tomb

30 why i'm afraid of bees

31 how i learned to fly

31 the blob that ate everyone

32 bad hare day

33 vampire breath

34 how i got my shrunken head

35 attack of the mutant

36 my hairest adventure

37 a night in terror tower

38 it came from beneath the sink

39 legend of the lost legend

40 how to kill a monster

41 beat from the east 

41 i live in your basment

42 a shocker on shock street

43 one day at horrorland 

44 don't go to sleep

45 welcome to camp nightmare

46 deep truoble