Feliks Wiktor Kres (a pseudonym of Witold Chmielecki, b. 1966 in Łódź) is a popular Polishfantasy writer. He debuted with his short story "Mag" (Mage), submitted to a writing contest of the Fantastyka magazine. Since then, he has published seven novels and dozens of short stories. His pseudonym may be translated as Lucky (or Happy) End ("Felix" in Latin means lucky and "kres" means the end in Polish).
He is best known for his two fantasy cycles - Księga całości (The Book of Entirety), which takes place in a world called Szerer, where intelligence, in addition to humans, was given also to cats and vultures, and Piekło i szpada (Hell and épée), dark fantasy set in an alternate 17th century, with demons and beings older than Satan himself. His works have been translated into Czech, Russian and Spanish.