Is It Based on a Book?

Movie · 2025

Is The Three Investigators – Carpathian Dog based on a book?

Quick answer

Yes. The Three Investigators – Carpathian Dog is based on the book The Mystery of The Invisible Dog by Mary Virginia Carey (1975).

The Mystery of The Invisible Dog is book 23 of The Three Investigators series.

The movie was released in 2025.

The book behind The Three Investigators – Carpathian Dog

The Mystery of The Invisible Dog

by Mary Virginia Carey · first published 1975

The Three Investigators: books in order

  1. The Secret of Terror Castle (1964)
  2. The Mystery of the Stuttering Parrot
  3. The Mystery of the Whispering Mummy (1965)
  4. The Mystery of the Green Ghost (1965)
  5. The Mystery of the Vanishing Treasure (1966)
  6. The Secret of Skeleton Island (1966)
  7. The Mystery of the Fiery Eye (1967)
  8. The Mystery of the Silver Spider (1967)
  9. The Mystery of the Screaming Clock
  10. The Mystery of the Moaning Cave (1968)
  11. The Mystery of the Talking Skull (1969)
  12. The Mystery of the Laughing Shadow
  13. The Secret of the Crooked Cat (1970)
  14. The Mystery of the Coughing Dragon (1970)
  15. The Mystery of the Purple Pirate
  16. The Mystery of the Nervous Lion (1971)
  17. The Mystery of the Singing Serpent (1972)
  18. The Secret of Phantom Lake (1973)
  19. The Mystery of The Invisible Dog (1975)
  20. The Case of the Weeping Coffin

Common questions

Is The Three Investigators – Carpathian Dog based on a book?

Yes. The Three Investigators – Carpathian Dog is based on the book The Mystery of The Invisible Dog by Mary Virginia Carey (1975).

Who wrote the book The Three Investigators – Carpathian Dog is based on?

The Mystery of The Invisible Dog was written by Mary Virginia Carey and first published in 1975.

Is The Mystery of The Invisible Dog part of a series?

Yes, it is book 23 in The Three Investigators series.

Should I read the book before watching?

Start with The Secret of Terror Castle, book 1 of The Mystery of The Invisible Dog. If you like knowing the full story and characters first, read it before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the movie.

Facts from Wikidata (CC0).