Erynn Lehtonen's " The Spirit Sorcerer ," a Japanese-inspired fantasy novella part of the "Wyvern Wars" series, tells the story of Gensou Masanori's pursuit of a demon that refuses purification. The book is available for digital purchase and download in multiple formats, including EPUB and for Kindle. You can purchase and download the ebook from Amazon or find it for NOOK at Barnes & Noble.