The Viper's Nest cover

The Viper's Nest


The Viper's Nest is the seventh book in The 39 Clues series. It was written by Peter Lerangis and was released by Scholastic on February 2, 2010. The 39 Clues series is intended for children aged 8–12, and takes the form of a multimedia adventure story spanning 10 books. The stories focus on a brother and sister, Amy and Dan Cahill, and their efforts to piece together clues left by the matriarch of the family, Grace Cahill, upon her death.The Viper's Nest follows immediately on from the events of the preceding book: In Too Deep. The events are described, below, using in-universe tone. Shocked by the death of Irina Spasky, Dan and Amy venture into danger once again. For the first, they begin to question how much they trust their au pair, Nellie. Later in the book, she regains their trust. The inside front and back covers read “MADRIGAL LEADER=GRACE” when the letters are alternated beginning with the front cover. Front Cover: MDIALAE=RC Back Cover: ARGLEDRGAE The Morse code dashes and dots, along the page margins in the middle of the book, reads: "THERE IS A MADRIGAL WATCHER".
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part of the series: The 39 Clues
original title: The Viper's Nest
language: English
date of publication: 2010
genre: children's literature, adventure novel, speculative fiction novel
follows: In Too Deep
followed by: The Emperor's Code

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