Title: Darkfever
Content:  Darkfever was published by Delacorte Press in November 2006 in the United States and in the United Kingdom on September 8, 2011 by Orion Publishing Group. Publishers Weekly review stated that Darkfever was a "A compelling world filled with mystery and vivid character...will stoke readers’ fervor for Bloodfever, the next installment." Nina Davis of Booklist wrote "Time-travel-travel romance maven Moning reshapes her Celtic lore for a radically different and engaging new dark fantasy series." John Charles from the Chicago Tribune says "Suffused with a seductive mix of Celtic mythology and dark, sexy danger, Darkfever is the first in a beguiling new paranormal romance series." Fellow Fantasy writer Charlaine Harris said the novel was "A wonderful dark fantasy…give yourself a treat and read outside the box."
Title: Darkfever
Content:  Darkfever is the first novel in the Fever series written by #1 New York Times best-selling American author Karen Marie Moning. The book was published in November 2006 by Delacorte Press. The romantic fantasy novel tells the story of the main characters journey into the supernatural world of fairies after she travels across the world to find her sister's murderer. The story is set in Dublin, Ireland and involves Celtic mythology.
Title: Darkfever
Content: Bloodfever (August 2008) ; Faefever (July 2009) ; Dreamfever (October 2010) ; Shadowfever (January 2011) ; Fever Moon, a graphic novel (October 2012) ; Iced, a Dani O'Malley novel (October 2012) ; Burned (January 2015) ; Feverborn (January 2016) ; Feversong (January 2017) ; High Voltage (March 2018) ; Kingdom of Shadow and Light (Feb 2021) The Fever Series continues with eight more books, so far:
Title: Karen Marie Moning
Content: 1) Darkfever (2006/Oct) ISBN: 978-0-440-24098-3 ; 2) Bloodfever (2007/Oct) ISBN: 978-0-440-24099-0 ; 3) Faefever (2008/Sep) ISBN: 978-0-440-24439-4 ; 4) Dreamfever (2009/Aug) ISBN: 978-0-385-34165-3 ; 5) Shadowfever (2011/Jan) ISBN: 978-0-385-34167-7 ; 6) Iced (2012/Oct) ISBN: 978-038534440-1 ; 7) Burned (2015/Jan) ISBN: 978-0-385-34441-8 ; 8) Feverborn (2016/Jan) ISBN: 978-0-385-34442-5 ; 9) Feversong (2017/Jan) ISBN: 978-0-425-28435-3 ; 10) High Voltage (2018/Mar) ISBN: 978-0-399-59366-6 ; 11) Kingdom of Shadow and Light (2021/Feb) ISBN: 978-0-399-59369-7 
Title: Dark Fire (Feehan novel)
Content:  Dark Fire is the sixth book in the paranormal/romance series Dark Series by American author Christine Feehan. It is the second book in a trilogy written within the Dark Series, and it starts several months after the events in Dark Challenge.
Title: Dark Celebration
Content:  Dark Celebration is a paranormal/suspense novel written by American author Christine Feehan. Published in 2006, it is the 17th book in her Dark Series. and is unique among the other books in the series, offering glimpses of life from previous characters from the series as well as introducing new characters.
Title: Dark Curse
Content:  Dark Curse is a 2008 dark fantasy vampire novel written by American author Christine Feehan, and a part of the Dark Series saga.
Title: Fever (Destefano novel)
Content:  Fever was published as a hardcover in the United States on February 12, 2013, by Simon & Schuster Children's Book's For Young Readers.
Title: Dark Dream
Content:  Dark Dream  is a paranormal/suspense novel written by American author Christine Feehan. It was originally published in the anthologies After Twilight (2001) and Dark Dreamers (2006) before appearing on its own in 2010. It is the Seventh book in her Dark Series, which to date has 20 titles.
Title: Dark Possession
Content:  Dark Possession is a paranormal/suspense novel written by American author Christine Feehan. Published in 2007, it is the 18th book in the Dark Series.

Question: Who is the author of Darkfever?
Answer: Karen Marie Moning.