This book provides step-by-step plans for indoor and outdoor composting systems that turn household items into containment systems for composting kitchen scraps and yard waste. The book covers composting basics and offers over a dozen practical plans for building compact indoor and outdoor composting systems. It addresses common concerns like space limitations, safety, and city living, making small-space composting accessible and eco-friendly. The reader will learn to build worm-composting systems, under-the-sink composters, outdoor compost bins, and mobile composting systems. Additionally, it contains information on composting cat and dog waste and utilize compost for gardening. (This book may contain a sharpie mark on the top or bottom edge and may show mild signs of shelfwear.)