What is nellie's secret in the 39 clues?

Answer 1

Nellie Gomez is working for the man in black (he is now the man in grey)

At the end of book 9 'Storm Warning' she is asked to join Amy and Dan in the Madrigal Branch.

Answer 2

In "The 39 Clues" series, Nellie Gomez's secret is that she is secretly working for the Cahill family. She is loyal to the main characters, Dan and Amy, and helps them navigate the challenges and mysteries they encounter in their quest to find the 39 Clues.

Answer 3

Well, it is proven that Nellie is a Madrigal! She was hired by other Madrigals to protect Amy and Dan. There are good madrigals and bad ones and she is a good one!

Answer 4

bk 9