Mortal - Helen Dennis

Jed needs a miracle. If he can't complete his quest within a year, he will die. If he can, he will become immortal.

Jed and Kassia know that time is running out. And when their enemies hunt them down in Paris, the friends flee to Istanbul to reveal its age-old secrets.

But they know that the biggest clue to the mystery is Jed himself.

Who is he? And what is hidden in his past?

The third in an action-packed series full of adventure, this book has an illustrated narrative running through it, helping readers to solve the mystery alongside the characters in the story.