Spark Joy features step-by-step folding illustrations for everything from shirts to socks, plus drawings of perfectly organized drawers and closets. Kondo also answers frequently asked questions, such as whether to keep “necessary” items that may not bring you joy. With guidance on specific categories including kitchen tools, cleaning supplies, hobby goods, digital photos, and even building your own personal “power spot” in your home, this comprehensive companion is sure to spark joy in anyone who wants to simplify their life.