The final book in the House of Night Other World series. Will Zoey and the Nerd Herd be powerful enough to defeat her old nemesis, or will two worlds be destroyed and claimed by Darkness? Fog rolls into Tulsa, and with it comes Darkness. Zoey knows that the darkness brings with it an old enemy. The more Zoey uncovers the more she's faced with the certainty that Neferet has returned. Once again the Nerd Herd are going to have to dig deep to save this world. When Other Neferet arrives in Woodward Park to set this world's Neferet free from her grotto prison, she quickly discovers there may be those who sympathize with their cause. And from the ashes two powerful enemies will rise. Will the unlikeliest of allies be powerful enough to defeat their old nemesis, or will two worlds be destroyed and claimed by Darkness? Find out in the thrilling conclusion to the House of Night Other World series!