The answer for book three is "The competition is about hope"
Silver
Peter Lerangis.
The Sword Thief is the third book in The 39 Clues series.The fourth book is Beyond the Grave.
find medusa
no cheating in the 39 clues!
One word: silver.
The name of the 10th 39 clues book is Into The Gauntlet.
there is no 49 clues book it is 39 clues
The page numbers code is "Time is running out for the ring keeper". (Amy) The inside front cover message is "Find Medusa".
The title of the seventh 39 clues book is The Viper's Nest. My agent Code is P2J34GKXXP on the 39 clues website.
grace cahill = madrigal leader
the name of the 5th 39 clues book is the black circle