There scattered around the library
one piece of paper is next to a cupboard, the other is next to a book, the other is on a self at right and the last one is on the highest self at left.
you have two fit pieces in all the places
You have to place all the pieces of the code into the block. It's kind of like Tetris.
Get all clues, complete every mission
you need all the clues
There are absolutely no cheats for the 39 clues website. AT ALL!
In mission 9 of The 39 Clues, use your Clues to solve the puzzles, pay close attention to the story and clues given, and think logically to progress through the mission. Additionally, explore all possible paths and interact with all characters to gather information and clues that may help you advance in the game.
I'm still working on it, but you have to have all the Clues in order to do the second part in Mission 10.
You can become a madrigal by finishing mission ten but to do that you have to have all 39 clues.
In Mission 7 of the 39 Clues series, the note pieces are located in different locations around the world. You can find note pieces in the Tower of London, Westminster Abbey, and the British Museum in London, as well as in the Eiffel Tower in Paris, France. These note pieces are essential to uncovering the next clue in the series.
All you have to do is finish the mission! That is the only thing!
You must have all 39 clues in order to continue with the final mission. You can get these "clues" by playing the missions in the 39 clues website, buying the books and entering the code in the cards you got, and buying a card pack; Example:P4G4MPNNXP. Sorry but even I haven't done it.