As a longtime fan of 'Ookami to Koushinryou,' I understand the struggle of finding free legal sources for light novels. While I adore the series, I strongly advocate supporting the official releases to ensure creators get their due. The English-translated version, 'Spice and Wolf,' is available on platforms like Amazon Kindle and BookWalker, often with discounts.
For free options, some libraries offer digital loans through apps like Hoopla or OverDrive. Occasionally, fan translations surface on aggregator sites, but these are ethically gray and often lack quality. I’d recommend checking out forums like Reddit’s r/LightNovels for community-shared resources, but always prioritize legal avenues when possible. The official novels are worth every penny for the immersive world-building and Holo’s charm.