Kadaokawa cover
Slayers Special Vol. 15: April's Casebook (Japanese: エイプリルの事件簿 Romaji: Eipuriru no jikenbo) is the fifteenth book in the Slayers Special novel series, written by Hajime Kanzaka and illustrated by Rui Araizumi. It was published on July 14th, 2000 by Fujimi Fantasia Bunko/Kadokawa Shoten Publishing. It contains 2 2-chapters episodes previously published in the Monthly Dragon Magazine of July, August, September and October 1999, also 1 episode previously published as the 1st Slayers Delicious novel, which originally had appeared as a 2-chapters episode in the Dragon Magazine of February and March 1996, plus a new standalone episode specifically written for this novel.