Betty Ballantine, who was (among many other things) behind the Ballantine Books Adult Fantasy series from 1969-1974, in which Evangeline Walton’s four Mabinogion books were published, passed away last week at the age of 99. She also wrote the Introduction to the combined volume of Walton’s Mabinogion Tetralogy, published by the Overlook Press in 2001.
Locus Online has a fuller obituary here.
Evangeline Walton 