The answer to "39 Clues: Hidden Notes" typically refers to various clues and puzzles found throughout the series, as the books involve characters searching for treasure based on historical and literary references. Each clue leads to another, and the "hidden notes" often provide insights or hints that help players in the quest. If you are looking for a specific answer from the series, please provide more context or details!
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EKATS HAVE AMBER ROOM
The X-Ray clue. Hidden in Hope Cahill's arm is a micro chip. It uncovers Honey.
Aloe. It is also one of the 39 Clues.
NO!
dead aged face
Ekaterina
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Silver.
tyik56wok7
Fight
SPENCER is the answer for this card
"Sinead Starling" is the answer
The answer (I think) is 20
fight
kabras branch leaders
the code is bald rat