BookWalker (ブックウォーカー), stylized as Book☆Walker, is a Japanese e-book store that sells manga, light novels, and magazines from various publishers, as well as a few published by themselves. It is based in Chiyoda, Tokyo and was created by Kadokawa Corporation. The company was founded in 2005 before launching their store in Japan in 2010 and internationally in 2014. It has two subsidiaries, each with different focuses. One promotes the company's relationship with influencers and the other does reading-related software.