Branded by Fire (Psy-Changeling Series #6)

A Psy-Changeling novel from the New York Times bestselling author of Shards of Hope, Shield of Winter, and Heart of Obsidian..."the alpha author of paranormal romance" (Booklist). 
When a brilliant changeling researcher is kidnapped, DarkRiver sentinel Mercy, a cat, and SnowDancer lieutenant Riley, a wolf, must work together to track the young man--before his shadowy captors decide he's no longer useful. Along the way, the two dominants may find that submitting to one another uncovers not just a deadly conspiracy, but a passion so raw that it'll leave them both branded by fire...