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Jane4
London Berlin zagreb
go read the books.
It is already available at the 39 clues mission.
the answer to where jonah is going is Croatia hope this helped
Look in the music.
the answers for mission 7 are 15 34 42 (the answers are in order)!
Use a very large hammer.
use w and d to do so.
In Mission 7: The Frozen Secret of The 39 Clues, the note can be found by solving the puzzle in the ice cave. Look for clues around the cave and use them to decipher the code that will reveal the hidden note. Pay attention to the details in the environment and think critically to uncover the note.
There is no misssion 12 in the 39 clues.