The Saga of Tanya the Evil, known in Japan as Yōjo Senki (幼女戦記, lit. The Military Chronicles of a Little Girl), is a Japanese light novel series written by Carlo Zen and illustrated by Shinobu Shinotsuki. It was initially serialized on the web novel hosting website Arcadia, before Enterbrain's acquisition. The first volume was released on October 31, 2013, and fourteen volumes have been released.[1] A manga adaptation with art by Chika Tōjō began serialization in Kadokawa Shoten's Comp Ace magazine from April 26, 2016, and has been collected into 29 volumes.