List of The 39 Clues characters
Nellie Gomez (from Boston, Massachusetts) is Amy and Dan Cahill's au pair. She is an aspiring chef and musician. She is considered as Amy and Dan's guardian throughout their travel. Throughout the books, she is the children's only trusted adult, until they learn she is a spy (hired by Grace Cahill). In the sixth book, she is revealed to be a trained pilot. She was later in the series granted active Madrigal status. Her card is No. 244. In Cahills vs Vespers she is abducted by the Vespers along with Reagan Holt, Fiske Cahill, Phoenix Wizard, Ted Starling, Natalie Kabra and Alistair Oh
Linda Sue Park
Linda Sue Park (born March 25, 1960) is an American author of teen fiction. Park published her first novel, "Seesaw Girl", in 1999. She has written six children’s novels and five picture books. Park's work achieved prominence when she received the prestigious 2002 Newbery Medal for her novel "A Single Shard". She has written the ninth book in the 39 Clues series, "Storm Warning", published on May 25, 2010.