It's called The Medusa Project:The Set-Up by Sophie McKenzie
Yes, it is called Double Cross and it's from Nico's point of view
The Medusa Project series has the following books (in this order):The Set-upThe HostageThe ThiefThe RescueHuntedDouble-CrossHit Squad
There are no current indications of another book in the Medusa Project series after "Double-Cross." However, the author, Sophie McKenzie, could potentially continue the series with another installment in the future.
Codename: Cobra
In book 11 of the Odyssey The Gorgon is mentioned, not the name of Medusa.
Yes, there are various books featuring or referencing the myth of Medusa. Some examples include "Medusa the Mean" by Joan Holub, "Monsters: Medusa" by Bernard Evslin, and "Medusa's Gaze and Vampire's Bite: The Science of Monsters" by Matt Kaplan.
No. not yet but when/if they make one I so want to play Nico.
There is not going to be a 12th 39 Clues book, but there is going to be a new 39 Clues series. The first book in the new series is called The Medusa Plot by Gordon Korman.
The Medusa Plot
From medusa
Montauk Project - book - was created in 1992.
Project Blue Book was created in 1952.