They find the clue in Venice Italy. The swords they found were made of tungsten.
In Venice, Amy and Dan Cahill found the clue tungsten in Fidelo Racco's (one of Mozart's sponsors for his symphonies) house, in a storage place under a piano.
Amy and Dan found a clue in Egypt hidden within a hieroglyphic inscription.
they find the clue
they dont find clue 2 untill book 2
Amy and Dan found a clue in Egypt in the form of a priceless necklace owned by a famous female pharaoh. The necklace led them to the next location in their quest for the 39 Clues.
Aloe and that they were Madrigals.
They stole the clue from the Tomas stronghold, which was Aloe.
Dan and Amy found the swords made of tungsten in a private exhibit in Venice called the Collezione di Racco, which displayed multimillionaire Fidelio Racco's treasures and artwork.
NRR, the person offering the clue to Amy and Dan, gave them a total of 36 hours (1 1/2 days) to locate them.
Amy and Dan found the last clue in the Maze of Bones in England, specifically in Westminster Abbey.
Amy and dan!