In the comic book series Case Closed, are there only 20 volumes or are there goi!

Question:

In the comic book series Case Closed, are there only 20 volumes or are there going to be more?????

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Answers: there will be more, as long as the story continues there will be more, and there are 58 volumes, not 20 im guessing that the manga, along with the show they had on, were cancelled There's going to be moooooooooooorrrrrrrrrrrrrrrrr...

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