The Ruby Circle by Richelle Mead

Genre:  NA Paranormal Romance

Bloodlines Series, Book 6

Richelle Mead's website

Amazon | Book Depository | Goodreads

Note:  This is the final book in a series.  If you haven't read any of them, I suggest you not read anything below this line.  They might spoil plots from earlier books.

Description (taken from Goodreads):

Sydney Sage is an Alchemist, one of a group of humans who dabble in magic and serve to bridge the worlds of humans and vampires. They protect vampire secrets—and human lives.

After their secret romance is exposed, Sydney and Adrian find themselves facing the wrath of both the Alchemists and the Moroi in this electrifying conclusion to Richelle Mead’s New York Times bestselling Bloodlines series. When the life of someone they both love is put on the line, Sydney risks everything to hunt down a deadly former nemesis. Meanwhile, Adrian becomes enmeshed in a puzzle that could hold the key to a shocking secret about spirit magic, a secret that could shake the entire Moroi world.

This story picks up a couple of weeks after the last one ends.  Adrian and Sydney are currently enjoying their hard earned freedom by being cooped up at Moroi court.  Only problem is they're being shunned by the Moroi for doing such a taboo thing (hint: read the fifth book).  A vampire fall in love with a human?  Inconceivable...

With no news of Jill's whereabouts, Sydney receives a visitor from a witch:  Ms. Terwilliger.  She believes she holds a message meant for Sydney, and only Sydney can view said message.  Once viewed, Sydney finds herself determined to locate Jill regardless of the consequences that could come with leaving court.  Only Adrian refuses to let her go alone.  So off on a journey they go to find Jill.  But in between that crisis, they find themselves helping another friend in need.

This story ties everything up nicely.  And before I get the masses disagreeing with me, I have to say the author left the perfect amount of open-ended material that wasn't especially relevant to Sydney and Adrian's story.  But honestly?  Can I go back to Rose and Dimitri's story now?  As much as I love Adrian, I still feel like this second series rates a number two in the Richelle Mead vampire world for me.  But it's still definitely good.

If you haven't picked up Richelle Mead's books yet, just be glad I'm not in the same room as you.  I'd throw my books at you (it'd probably be a shoe - less damage to books this way).