history. All of the stories were written by Katherine Kurtz. "Catalyst": In the fall of 888, a young Rhys Thuryn discovers his abilities as a Healer. This story was first published in Moonsinger's Friends in 1985. "Healer's Song": In August of 914, Rhys Thuryn and his wife celebrate the birth of their new son. This story was first published in Fantasy Book in 1982. "Vocation": In December 977, a reluctant noble feels the lure of a religious life. This story was first published in Nine Visions in 1983. "Bethane": In the summer of 1100, a bitter old woman encounters a group of young Deryni nobles. This story was first published in Hecate's Cauldron in 1982. "The Priesting of Arilan": From August 1104 to February 1105, Denis Arilan attempts to become the first Deryni priest in two centuries. "Legacy": In June 1105, Charissa Furstána-Festila relates the tale of her father's battle with King Brion Haldane. This story was first published in Fantasy Book in 1983. "The Knighting of Derry": In May 1115, Sean Lord Derry travels to the royal court and meets Duke Alaric Morgan. "Trial": In the spring of 1118, Alaric Morgan observes the trial of an accused murderer. "Venture in Vain" (2001) Set in the year 1089, only 300 copies of this rare, limited-edition short story were published. Deryni Tales (2002) A collection of short stories written by fans of the Deryni series. Katherine Kurtz edited the collection and contributed an additional short story of her own. Kurtz' story, "The Green Tower", is set in 1052 and tells the tale of two young girls and the events surrounding a dangerous magical experiment. Reference books Deryni Magic (1990) A companion book to the series that details the fictional style of magic used by the Deryni, including both natural psychic abilities and complex arcane rituals. Codex Derynianus (1998) Written by Katherine Kurtz and Robert Reginald, this book is a comprehensive encyclopedia of the people and places in the Deryni series, including maps and genealogical charts. The first edition of the book was a limited-edition hardcover slipcase of which only 500 were printed. In 2005, a second edition of the book was published as a trade paperback, and it was updated to include information from King Kelson's Bride. Setting Most of the books are set in the fictional Kingdom of Gwynedd, one of the Eleven Kingdoms. The other kingdoms are Bremagne, The