Will there be a 39 Clues Series # 2?

The ending to Into The Gauntlet was the most shocking ending to any book I've ever read.

Isabel Kabra is going to prison. For life.

Speaking of her, by the way, I managed to hack into a Lucian e-mail account & retrieve her final e-mail that she will ever be sending:


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From: Isabel Kabra




The final push

Lucians—

We’re approaching a crucial moment in our history. In the next few days, you’re going to have to ask yourselves a life changing question: How far are you willing to go to find the final Clues?



For those of you sitting there twiddling your thumbs, I’ll make it easy for you. The answer is: WHATEVER IT TAKES.



For the past 500 years, our ancestors have shaped the world through their hunt for the 39 Clues. They’ve overthrown kings, toppled empires, and even waged war in pursuit of the most precious items on earth. But the Clues are more than a mere hidden treasure. They are the key to our destiny.



Lucians are born to lead. We’re made to rule. And with the power of the 39 Clues, we’ll be unstoppable. Because of you, we’re almost unbearably close to assembling all the Clues. And soon, if everything goes according to plan, we’ll be in the position to seize the remaining Clues from our enemies.



You’ve all done incredible work on the hunt. We can’t back down now. The other branches are growing desperate, and I suspect there may be some last minute surprises.



I’m ordering all active agents to accompany me to England. Ian, Natalie, and I will need your help.



I hope you’re ready. There will be no second chances.



— Isabel
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Oh, speaking of all agents being in England, Ekat's: If you haven't returned to the strongholds since the dramatic ending to the clue hunt on Cahill Island, here is Bae's latest e-mail. It is before the encounter in England:
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From: Bae Oh




The moment of truth

Fellow Ekaterinas,

For the past 500 years, the hunt for the Clues has pushed our ancestors to achieve greatness. It’s what drove Howard Carter into the bowels of long forgotten Egyptian tombs, gave Marie Curie the strength to continue her research despite personal tragedy and illness, and inspired the Wright brothers’ dreams of flight.



Their genius, commitment, and sacrifice were only the beginning. Because of you, our branch has collected nearly all 39 Clues. We are within striking distance of victory—of achieving everything we’ve ever hoped for.



As you read this, Alistair is en route to England where, we believe, a crucial secret is hidden. There are rumors that the other branches are sending their top agents to investigate. I know Alistair has disappointed us in the past, listening to his heart instead of his questionably-sized brain. But even he knows what’s at stake.



The Ekats MUST be the ones to find the Clues. We are the only ones equipped for that sort of power. The only Cahills fit to handle that level of responsibility. I know most of you understand this, and I think Alistair has come to understand as well. He’ll do whatever necessary to secure our victory.



I need all agents prepared to head to England. If there is some sort of final confrontation, we won’t have any time to lose. This is what we’ve been working for. Five centuries of Ekaterina history comes down to this moment.



It’s time to make Katherine proud.



—Bae
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We all know, of course, that the freaking MADRIGALS(Amy & Dan) won the hunt. Even more stunning, it turns out that they weren't as evil as we thought. They were trying to get the Cahill Family united, and here is why, so all branches, listen up:

There is another family like us Cahills, called Vespers. They are interested in our clue hunt. And the Madrigals Leader, a newly found Fiske Cahill, has sent us messages that proclaim that some of the things the Vespers have done make Isabel Kabra look like Mother Teresa...

Watch your backs. All of you.