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Scooby-Doo! and You: The Case of the Monstrous Mutt
Monstrous mutt book
Part of Scooby-Doo! and You
Writer Jenny Markas
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Scooby-Doo! and You: The Case of the Monstrous Mutt is a children's book in the Scooby-Doo! and You: A Collect the Clues Mystery series published by Scholastic.


A monstrous, mechanical mutt is menacing the dog show! Who's controlling this crazy canine? Which sinister suspect has a reason to want the dog show done in? Scooby hates to see dogs in danger. And so do the rest of the gang. Only the Monstrous Mutt can lead them to the mastermind making him run amok. As long as he doesn't crush them under his massive paws first!


Insert details here.


Main characters:

Supporting characters:


Other characters:

  • Miscellaneous dog owners (single appearance)(miscellaneous speaking)
  • Miscellaneous dogs (single appearance)(no lines)
    • Griselda (single appearance)(no lines)



Suspect Motive/reason
Josie McBee She said a summer theater would be a much better use for the land than a dog show.
Winifred Slate She wanted her dog to win the dog show.
Harvey Harmon He wished to build a permanent store on the land where the dog show was held.


Culprit Motive/reason
Harvey Harmon operating the Monstrous Mutt robot To scare everyone away and build a permanent store on the land.


  • TBA


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