Raven's Shadow (Raven Cycle) (Volume 1)

When a friend is murdered Cara Tounbridge is pulled from her home and into a brutal game of cat and mouse as dark forces seek to awaken an ancient evil that has lain dormant for millennia. Protecting her against vicious foes who'll stop at nothing to catch her is the immortal warrior, and ancient hero of his race, Vanis, last survivor of fabled Dragon war. Will evil rise from the darkness or can Cara work with the fractious and mysterious Vanis to seal shut its tomb once and for all.