The 39 Clues Wiki
The 39 Clues Wiki

Vesper Three, also known as The Mole, is a member of the Vesper Council of Six. Vesper Three is an expert in infiltration, and spies on the enemies of the Vespers from within.

The most recent Vesper Three is Sinead Starling, a Cahill defector. During the events of Cahills vs. Vespers, Sinead had access to the Cahill Command Center in Attleboro, Massachusetts.


V-3 Suspects[]

Revealed Identity[]

Sinead Starling (Not revealed until Book Five: Trust No One by Evan Tolliver.)

In Mission Titanic, Sinead is revealed to have gone into hiding after the hostage plot. She currently lives in Singapore with her brothers Ned and Ted.

Mission Titanic - artwork

Mission Titanic