What series of young adult vampire-themed fantasy novels ninth volume was published on October 25, 2011?
House of Night House of Night is a series of young adult vampire-themed fantasy novels by American author P. C. Cast and her daughter Kristin Cast. It follows the adventures of Zoey Redbird, a sixteen-year-old girl who has just become a "fledgling vampyre" and is required to attend the House of Night boarding school in Tulsa, Oklahoma. Books in the series have been on the "New York Times" Best Seller list for 63 weeks and have sold over seven million copies in North America, and more than ten million books worldwide, in 39 countries. The series, published by St Martin's Press, is planned to include thirteen books.
Comic Valkyrie Comic Valkyrie (コミックヴァルキリー , Komikku Varukirī ) is a Japanese science fiction and fantasy "seinen" manga magazine published by Kill Time Communication. Its target readership is males between their teens and thirties. The first volume was released on July 25, 2006, and ran in bimonthly volumes until it switched to monthly publication, starting with Volume 30 on May 27, 2011. However, it switched back to bimonthly serialization following the release of Volume 34 on September 27, 2011. The final issue (Volume 40) was published on September 27, 2012, before it switched to a free, online-only publication on its website with full volumes and chapters available on Nico Nico Douga's online book service, Nico Nico Seiga.