A Trace of Something Stranger by Allison Giordano

Perfect for fans of Josephine Angelini and Cassandra Clare, A Trace of Something Stranger is a captivating young adult fantasy about what happens when the greatest threat you face, is the person you love the most.

Tempest thought losing her parents would be the worst thing to ever happen to her-until Jet Delancey, a young officer with an enforcement agency in charge of protecting a supernatural world Tempest had no idea existed, reveals to her that her parents were actual murderers, and that a fanatical splinter group of this secret world Jet has sworn to protect won't rest until Tempest is dead.

Ever since he can remember, Jet had always wanted to help safeguard the secret world of shapeshifters he proudly belongs by joining the ranks of the League of Protectors. And when fate has him meeting Tempest, Jet sees it as the perfect opportunity to put his training into practice. But what he doesn't realize is that he's stumbling onto his world's most dangerous secrets, and that the greatest threat to it, may be right under his nose.