Lightning Japan is a highly popular Japanese magazine and "mook" (magazine-book) focused on American heritage style, vintage fashion, outdoor wear, and Americana culture. Published monthly, it is renowned for its deep-dive features on denim, leather jackets, military surplus, and rugged lifestyle goods. 

The publication is perhaps most famous for its Lightning Archives and Extra Edition book series, which act as encyclopedic catalogs for vintage collectors. Notable releases include

• Lightning Archives: Hardcover "bible" editions focused on specific topics like vintage denim, Red Wing boots, Champion sweatshirts, and military jackets.
• Monthly Issues: ReAllgular magazine issues diving into seasonal fashion, everyday carry (EDC), made-in-USA products, and custom cars.