GBbook: Custom Game Boy Cartridge for Books Read a book directly on your Game Boy GBbook is a custom physical Game Boy cartridge that lets you read complete books directly on your Game Boy. Choose a classic work, select a title from our catalog, or send your own compatible text and turn the console into a pocket-sized reading device. Each cartridge contains one complete book and comes in a cassette-style case with custom artwork, designed and assembled by NOW IN…