How many goosebumps books did RL stine make?

Well, there are 62 goosebumps books, 39 give yourself goosebumps books, 25 goosebumps series 2,000 books, and 25 goosebumps horrorland books.

Goosebumps horrorland books are in order:

1. Revenge of the living dummy, 2. Creep from the deep, 3. Monster bood for Breakfast!, 4. Scream of the haunted mask, 5. Dr. maniac vs. Robby Schwartz, 6. Who's your mummy?, 7. My friends call me monster, 8. Say cheese and die-screaming!, 9. Welcome to cap slither, 10. Help! we have strange powers!, 11. Escape from horrorland, 12. The streets of panic park, 13. When the ghost dog howls, 14. Little shop of hamsters, 15. Heads you loose!, 16. Special edition: Weirdo Halloween, 17. The wizard of ooze, 18. Slappy new year!, 19. The Horror at chiller house, 20. Claws!, 21. Night of the giant everything, 22. TBA, 23. The scream of the haunted mask, 24. Happy holidays from dead house, and 25. TBA