Slayers Special Vol. 29: Magical Old Woman Princia (Japanese: 魔法の老女プリンシア Romaji: Mahou no roujo purinshia) is the twenty-ninth book in the Slayers Special novel series, written by Hajime Kanzaka and illustrated by Rui Araizumi. It was published on July 1st, 2007 by Fujimi Fantasia Bunko/Kadokawa Shoten Publishing. It contains 3 2-chapters episodes previously published in the Monthly Dragon Magazine of March, April, May, June, July and August 2006, plus a new standalone episode specifically written for this novel.
