Trent, Tiffany

With rebellion brewing in the far-off city of Scientia and dark Elementals plotting war in the ruins of New London, Vespa, Syrus and their friends are plunged into a new swamp of intrigue, deception, and magic.

While reluctantly agreeing to help gather the rathstones to open Hallowmere, Sibohan is thrown back to twelfth-century Scotland, to the beginning of the conflict with the Unhallowed.

Corrine and her friends travel to London, hoping to find a rathstone that will help them end the ongoing war with the Fey.

Christina wakes up in a new world with no memory of who she is; and the key to her past is somehow wrapped up in her mission to save the duke and duchess who have taken her in.

When Ilona is sent to an unfamiliar world to search for its rathstone, she finds a chance at love that may cost her the mission to protect Hallowmere.

After her parents' deaths during the Civil War, sixteen-year-old Corrine is sent to reform school in Culpeper, Virginia, where she discovers a sinister plot involving a race of faeries and the disappearance of some of the students.

In 1866, after her boarding school is destroyed, Corrine and two of her classmates travel to Scotland to retrieve the stolen rathstone from the Unhallowed, but when tensions arise among the girls, Corrine is uncertain in whom to put her trust.

"Vespa Nyx wants nothing more than to spend the rest of her life cataloging Unnatural creatures in her father's museum, but as she gets older, the requirement to become a lady and find a husband is looming large over her. Syrus Reed's Tinker family has always served and revered the Unnaturals from afar, but when his family is captured for refinery slaves, he finds that his fate may be bound up with Vespa's--and with the Unnaturals. As the danger grows, Vespa and Syrus find themselves in a tightening web of deception and intrigue. At stake may be the fate of New London--and the world"--Provided by publisher.