Kerrelyn Sparks is an American author best known for her popular paranormal romance novels, particularly the Love at Stake series. Her prolific writing career began in 2002 with her debut novel, For Love or Country. By 2005, she captivated readers with How to Marry a Millionaire Vampire, the first book in her beloved series, which became the best-selling debut romance of that year.

The Love at Stake series, comprising 17 novels, has consistently reached the USA Today bestseller list and even secured spots on the New York Times Best Seller list, with The Undead Next Door rising to prominence. Her works are currently published under Avon Books.

Kerrelyn resides in the Greater Houston area with her family. She is well-regarded for her captivating storytelling in both paranormal and historical romance genres, inviting readers into worlds filled with vampires, shifters, and more fantastical creatures.