Is upside down based on a book?

Related questions

1. Where is WonderWorks located?
2. Do they find will from Stranger things?
3. How did Hopper's daughter Sarah died?
4. Is WonderWorks Ripley's?
5. What is WonderWorks Branson?
6. What does demogorgon mean?
7. Why did eleven open the gate?
8. What exactly is the upside down?
9. What's Jane Fonda worth?
10. What does an upside down smiley face emoji?

Tags

1. #certain
2. #intouchables
3. #point
4. #anticipated
5. #original
6. #upside
7. #philippe
8. #remake
9. #borgo
10. #memoirs
11. #means
12. #sellou
13. #related
14. #story
15. #however
16. #abdel
17. #auxiliary
18. #movies
19. #pozzo
20. #screen
21. #based