Dragon's Extinction - Talia Beckett

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Résumé :
Someone or something is stealing all the magic. After visiting other worlds and finding they are in just as much trouble as Earth, Kels, Grey, and Mags are back at home and on the run from their tenacious foes, the stone dragons. Nowhere is safe for them, and that means there's only one place they can go. Toward whoever is controlling the monsters. Cutting the head off the snake is the solution to their problems, but they need to find out who is in charge. Kels and her allies have everything stacked against them. There are enemies everywhere they turn, and most of the dragons from Earth are either dead or have fled. Time is running out to prove yet again that they have what it takes to save everyone. Can they find whoever is behind all this and stop them before it's too late? Or is magic doomed to die, along with the dragons?...