Yarbro has a writer's website which is full of interesting and useful information for her fans. It includes a bibliography, a calendar of book signings and personal appearances, a short biography, and background information on her enduring character the Count Saint-Germain. Stealth Press, who are reprinting the Saint-Germain novels, have an excellent set of pages on Yarbro, which you can go to directly from here.
Back issues are available.
It was a major reference issue, listing all her works. For information send email to Lindig . Or, at the very least, go look at them. Two good places to look for Yarbro books in the flesh, as it were, are the Other Change of Hobbit in Berkeley, California, and Dark Delicacies in Burbank, California. OCH is run by friends of ours, stocks a wide variety of SF and fantasy, and they do online sales.