Cronin's Key IV

Kennard and Stas have been enjoying being newly bonded mates, hidden away for the last six months in Stas' cabin, deep in the forests of Northern Russia. When they get a visit from Alec, Cronin, Eiji, and Jodis, Kennard and Stas decide to return to London where they get news of a supernatural disturbance in India.
Excited for a new adventure, the band of friends embark on a journey like they've never seen before. Following a trail of snakes and serpents, they slip through gates into timeless dimensions all over the world, leaving them without their vampire powers. Even Alec is powerless as they follow a trail of gates and doorways to their final destination.
But the bad guy isn't who they think it is, and Kennard will need to draw on his past to save their future. Because history is never what it seems…