Title: Conan the Valiant
Content:  Conan the Valiant is a fantasy novel by American writer Roland Green, featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian. It was first published in trade paperback by Tor Books in October 1988; a regular paperback edition followed from the same publisher in August 1989, and was reprinted in July 2000.
Title: Conan the Valorous
Content:  Conan the Valorous is a fantasy novel by American writer John Maddox Roberts, featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian. It was first published in trade paperback by Tor Books in September 1985; a regular paperback edition followed from the same publisher in September 1986, and was reprinted in January 1992. The first British edition was published in paperback by Sphere Books in September 1987. The book also includes "Conan the Indestructible", L. Sprague de Camp's chronological essay on Conan's career.
Title: Conan the Valiant
Content:  Writing of this novel, Don D'Ammassa noted that "Green spends a lot more time on background detail than did some of Conan's chroniclers."
Title: Roland J. Green bibliography
Content: Conan the Valiant (1988) ; Conan the Guardian (1991) ; Conan the Relentless (1992) ; Conan and the Gods of the Mountain (1993) ; Conan at the Demon's Gate (1994) ; Conan and the Mists of Doom (1995) ; Conan and the Death Lord of Thanza (1997) 
Title: Conan the Defiant
Content:  Conan the Defiant is a fantasy novel by American writer Steve Perry, featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian. It was first published in trade paperback by Tor Books in October 1987, with a regular paperback edition issued simultaneously by the same publisher, and was reprinted in August 1988. A British edition was published in paperback by Orbit Books in January 1990.
Title: Conan the Victorious
Content:  Conan the Victorious is a fantasy novel by American writer Robert Jordan, featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian. It was first published in trade paperback by Tor Books in November 1984; a regular paperback edition followed from the same publisher in December 1985, and was reprinted in March 1991 and August 2010. The first British edition was published in paperback by Sphere Books in April 1987. The novel was later gathered together with Conan the Magnificent and Conan the Triumphant into the hardcover omnibus collection The Further Chronicles of Conan (Tor Books, October 1999).
Title: Conan (books)
Content:  (Apr. 1987) (by John M. Roberts) ; Conan the Defiant (Oct. 1987) (by Steve Perry) ; Conan the Marauder (Jan. 1988) (by John M. Roberts) ; Conan the Warlord (Mar. 1988) (by Leonard Carpenter) ; Conan the Valiant (Oct. 1988) (by Roland Green) ; Conan the Hero (Feb. 1989) (by Leonard Carpenter) ; Conan the Bold (Apr. 1989) (by John M. Roberts) ; Conan the Great (Apr. 1989) (by Leonard Carpenter) ; Conan the Indomitable (Oct. 1989) (by Steve Perry) ; Conan the Free Lance (Feb. 1990) (by Steve Perry) ; Conan the Formidable (Nov. 1990) (by Steve Perry) ; Conan the Guardian (Jan. 1991) (by Roland Green) ; Conan 
Title: Conan the Guardian
Content:  Conan the Guardian is a fantasy novel by American writer Roland Green, featuring Robert E. Howard's  sword and sorcery hero Conan the Barbarian. It was first published in paperback by Tor Books in January 1991, and reprinted in October 1997 and August 2000.
Title: Conan the Fearless
Content:  Conan the Fearless is a fantasy novel by American writer Steve Perry, featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian. It was first published in trade paperback by Tor Books in February 1986; a regular paperback edition followed from the same publisher in January 1987, and was reprinted at least once. The first British edition was published in paperback by Sphere Books in January 1988. The book also includes "Conan the Indestructible", L. Sprague de Camp's chronological essay on Conan's career.
Title: Conan the Avenger
Content:  Conan the Avenger is a 1968 collection of two fantasy works written by Björn Nyberg, Robert E. Howard and L. Sprague de Camp featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian. It was first published in paperback by Lancer Books, and has been reprinted a number of times since by various publishers. It has also been translated into Japanese, German and Spanish.

Question: Who is the author of Conan the Valiant?
Answer: Roland J. Green.
Roland James Green.