The 39 Clues: The Sword Thief

The Sword Thief is the third book in the first series, and starts with Dan and Amy in a Venice airport. There, Ian and Natalie Kabra steal their plane tickets and board a plane with their au pair, Nellie Gomez, who is already on the plane. Amy and Dan are then forced to team up with Alistair Oh and fly with him on his private plane to Tokyo, Japan. Together they learn about Toyotomi Hideyoshi, the greatest warrior in the history of Japan, and the son of the first Tomas, also focusing on swords stolen centuries ago by Japanese warrior Toyotomi Hideyoshi. The Holts kidnap Amy, Dan and Alistair and threaten them into helping them find the next clue.